38565972 has 36 divisors (see below), whose sum is σ = 102618880. Its totient is φ = 12178512.

The previous prime is 38565971. The next prime is 38565977. The reversal of 38565972 is 27956583.

It is a happy number.

38565972 is a `hidden beast` number, since 3 + 8 + 56 + 597 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38565971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27508 + ... + 28875.

Almost surely, 2^38565972 is an apocalyptic number.

It is an amenable number.

38565972 is an abundant number, since it is smaller than the sum of its proper divisors (64052908).

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

38565972 is a wasteful number, since it uses less digits than its factorization.

38565972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56412 (or 56407 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 38565972 is about 6210.1507228086. The cubic root of 38565972 is about 337.8584307284.

The spelling of 38565972 in words is "thirty-eight million, five hundred sixty-five thousand, nine hundred seventy-two".