39880944 has 40 divisors (see below), whose sum is σ = 114474320. Its totient is φ = 13293504.

The previous prime is 39880937. The next prime is 39880969. The reversal of 39880944 is 44908893.

It is a happy number.

It is a super-2 number, since 2×39880944² = 3180979388662272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39880944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45727 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (2861858).

Almost surely, 2^39880944 is an apocalyptic number.

It is an amenable number.

39880944 is an abundant number, since it is smaller than the sum of its proper divisors (74593376).

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

39880944 is a wasteful number, since it uses less digits than its factorization.

39880944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92334 (or 92322 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 39880944 is about 6315.1361030464. The cubic root of 39880944 is about 341.6555473148.

The spelling of 39880944 in words is "thirty-nine million, eight hundred eighty thousand, nine hundred forty-four".