39852270 has 64 divisors (see below), whose sum is σ = 107907840. Its totient is φ = 10463904.

The previous prime is 39852269. The next prime is 39852283. The reversal of 39852270 is 7225893.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16989 + ... + 19191.

It is an arithmetic number, because the mean of its divisors is an integer number (1686060).

Almost surely, 2^39852270 is an apocalyptic number.

39852270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39852270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53953920).

39852270 is an abundant number, since it is smaller than the sum of its proper divisors (68055570).

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

39852270 is a wasteful number, since it uses less digits than its factorization.

39852270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 39852270 is about 6312.8654349669. The cubic root of 39852270 is about 341.5736453752.

The spelling of 39852270 in words is "thirty-nine million, eight hundred fifty-two thousand, two hundred seventy".