37982816 has 12 divisors (see below), whose sum is σ = 74778732. Its totient is φ = 18991392.

The previous prime is 37982773. The next prime is 37982869. The reversal of 37982816 is 61828973.

It is a super-2 number, since 2×37982816² = 2885388622579712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593450 + ... + 593513.

It is an arithmetic number, because the mean of its divisors is an integer number (6231561).

Almost surely, 2^37982816 is an apocalyptic number.

It is an amenable number.

37982816 is a deficient number, since it is larger than the sum of its proper divisors (36795916).

37982816 is a wasteful number, since it uses less digits than its factorization.

37982816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186973 (or 1186965 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 37982816 is about 6163.0200389095. The cubic root of 37982816 is about 336.1468556834.

The spelling of 37982816 in words is "thirty-seven million, nine hundred eighty-two thousand, eight hundred sixteen".