36000000 has 189 divisors, whose sum is σ = 129744433. Its totient is φ = 9600000.

The previous prime is 35999993. The next prime is 36000007. The reversal of 36000000 is 63.

The square root of 36000000 is 6000.

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

It is an interprime number because it is at equal distance from previous prime (35999993) and next prime (36000007).

It can be written as a sum of positive squares in 3 ways, for example, as 31539456 + 4460544 = 5616^2 + 2112^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 7199998 + ... + 7200002.

Almost surely, 2^36000000 is an apocalyptic number.

36000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36000000 is the 6000-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36000000

36000000 is an abundant number, since it is smaller than the sum of its proper divisors (93744433).

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

36000000 is an frugal number, since it uses more digits than its factorization.

36000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The cubic root of 36000000 is about 330.1927248895.

Adding to 36000000 its reverse (63), we get a palindrome (36000063).

The spelling of 36000000 in words is "thirty-six million", and thus it is an aban number, an eban number, and an uban number.