38809944 has 48 divisors (see below), whose sum is σ = 107682120. Its totient is φ = 12620160.

The previous prime is 38809943. The next prime is 38809961. The reversal of 38809944 is 44990883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38809944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38809943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3622 + ... + 9525.

Almost surely, 2^38809944 is an apocalyptic number.

It is an amenable number.

38809944 is an abundant number, since it is smaller than the sum of its proper divisors (68872176).

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

38809944 is a wasteful number, since it uses less digits than its factorization.

38809944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13200 (or 13193 counting only the distinct ones).

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

The square root of 38809944 is about 6229.7627563175. The cubic root of 38809944 is about 338.5693751640.

It can be divided in two parts, 3880 and 9944, that added together give a cube (13824 = 24³).

The spelling of 38809944 in words is "thirty-eight million, eight hundred nine thousand, nine hundred forty-four".