39690000 has 375 divisors, whose sum is σ = 166983267. Its totient is φ = 9072000.

The previous prime is 39689983. The next prime is 39690037. The reversal of 39690000 is 9693.

The square root of 39690000 is 6300.

It is a perfect power (a square), and thus also a powerful number.

39690000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 36578304 = 1764^2 + 6048^2 .

It is a tau number, because it is divible by the number of its divisors (375).

It is a super-2 number, since 2×39690000² = 3150592200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 5669997 + ... + 5670003.

Almost surely, 2^39690000 is an apocalyptic number.

39690000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39690000 is the 6300-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39690000

39690000 is an abundant number, since it is smaller than the sum of its proper divisors (127293267).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39690000 is an equidigital number, since it uses as much as digits as its factorization.

39690000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The cubic root of 39690000 is about 341.1094095422.

Adding to 39690000 its reverse (9693), we get a palindrome (39699693).

The spelling of 39690000 in words is "thirty-nine million, six hundred ninety thousand".