38866072 has 32 divisors (see below), whose sum is σ = 83520000. Its totient is φ = 16609824.

The previous prime is 38866049. The next prime is 38866099. The reversal of 38866072 is 27066883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25179 + ... + 26677.

It is an arithmetic number, because the mean of its divisors is an integer number (2610000).

Almost surely, 2^38866072 is an apocalyptic number.

It is an amenable number.

38866072 is an abundant number, since it is smaller than the sum of its proper divisors (44653928).

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

38866072 is a wasteful number, since it uses less digits than its factorization.

38866072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 38866072 is about 6234.2659551867. The cubic root of 38866072 is about 338.7325126342.

The spelling of 38866072 in words is "thirty-eight million, eight hundred sixty-six thousand, seventy-two".