38597972 has 12 divisors (see below), whose sum is σ = 77196000. Its totient is φ = 16541976.

The previous prime is 38597957. The next prime is 38597981. The reversal of 38597972 is 27979583.

It is a happy number.

38597972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

38597972 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 38597972.

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, 689222 + ... + 689277.

It is an arithmetic number, because the mean of its divisors is an integer number (6433000).

Almost surely, 2^38597972 is an apocalyptic number.

It is an amenable number.

38597972 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.

38597972 is a wasteful number, since it uses less digits than its factorization.

38597972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378510 (or 1378508 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 38597972 is about 6212.7266155851. The cubic root of 38597972 is about 337.9518505692.

The spelling of 38597972 in words is "thirty-eight million, five hundred ninety-seven thousand, nine hundred seventy-two".