39649316 has 12 divisors (see below), whose sum is σ = 79298688. Its totient is φ = 16992552.

The previous prime is 39649303. The next prime is 39649319. The reversal of 39649316 is 61394693.

39649316 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39649319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707996 + ... + 708051.

It is an arithmetic number, because the mean of its divisors is an integer number (6608224).

Almost surely, 2^39649316 is an apocalyptic number.

It is an amenable number.

39649316 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.

39649316 is a wasteful number, since it uses less digits than its factorization.

39649316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416058 (or 1416056 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 39649316 is about 6296.7702832484. The cubic root of 39649316 is about 340.9928189680.

The spelling of 39649316 in words is "thirty-nine million, six hundred forty-nine thousand, three hundred sixteen".