38972612 has 24 divisors (see below), whose sum is σ = 78185856. Its totient is φ = 16651008.

The previous prime is 38972599. The next prime is 38972621. The reversal of 38972612 is 21627983.

It is a super-2 number, since 2×38972612² = 3037728972205088, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7913 + ... + 11855.

It is an arithmetic number, because the mean of its divisors is an integer number (3257744).

Almost surely, 2^38972612 is an apocalyptic number.

It is an amenable number.

38972612 is an abundant number, since it is smaller than the sum of its proper divisors (39213244).

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

38972612 is a wasteful number, since it uses less digits than its factorization.

38972612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4305 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 38972612 is about 6242.8048183489. The cubic root of 38972612 is about 339.0417423792.

The spelling of 38972612 in words is "thirty-eight million, nine hundred seventy-two thousand, six hundred twelve".