39957316 has 12 divisors (see below), whose sum is σ = 79914688. Its totient is φ = 17124552.

The previous prime is 39957311. The next prime is 39957343. The reversal of 39957316 is 61375993.

It is a happy number.

39957316 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39957311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 713496 + ... + 713551.

Almost surely, 2^39957316 is an apocalyptic number.

It is an amenable number.

39957316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39957316 is a wasteful number, since it uses less digits than its factorization.

39957316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427058 (or 1427056 counting only the distinct ones).

The product of its digits is 153090, while the sum is 43.

The square root of 39957316 is about 6321.1799531417. The cubic root of 39957316 is about 341.8734983507.

It can be divided in two parts, 3995 and 7316, that added together give a palindrome (11311).

The spelling of 39957316 in words is "thirty-nine million, nine hundred fifty-seven thousand, three hundred sixteen".