39996916 has 12 divisors (see below), whose sum is σ = 72408420. Its totient is φ = 19308800.

The previous prime is 39996899. The next prime is 39996959. The reversal of 39996916 is 61969993.

39996916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17472400 + 22524516 = 4180^2 + 4746^2 .

It is a super-2 number, since 2×39996916² = 3199506579022112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172285 + ... + 172516.

It is an arithmetic number, because the mean of its divisors is an integer number (6034035).

Almost surely, 2^39996916 is an apocalyptic number.

It is an amenable number.

39996916 is a deficient number, since it is larger than the sum of its proper divisors (32411504).

39996916 is a wasteful number, since it uses less digits than its factorization.

39996916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344834 (or 344832 counting only the distinct ones).

The product of its digits is 708588, while the sum is 52.

The square root of 39996916 is about 6324.3115040295. The cubic root of 39996916 is about 341.9863998331.

The spelling of 39996916 in words is "thirty-nine million, nine hundred ninety-six thousand, nine hundred sixteen".