39231396 has 36 divisors (see below), whose sum is σ = 101851932. Its totient is φ = 12723264.

The previous prime is 39231377. The next prime is 39231397. The reversal of 39231396 is 69313293.

It is a happy number.

39231396 is a `hidden beast` number, since 39 + 231 + 396 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27941796 + 11289600 = 5286^2 + 3360^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 39231396.

It is not an unprimeable number, because it can be changed into a prime (39231397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13395 + ... + 16058.

Almost surely, 2^39231396 is an apocalyptic number.

39231396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39231396 is an abundant number, since it is smaller than the sum of its proper divisors (62620536).

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

39231396 is a wasteful number, since it uses less digits than its factorization.

39231396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29500 (or 29495 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 39231396 is about 6263.4971062498. The cubic root of 39231396 is about 339.7905168637.

The spelling of 39231396 in words is "thirty-nine million, two hundred thirty-one thousand, three hundred ninety-six".