38872772 has 6 divisors (see below), whose sum is σ = 68027358. Its totient is φ = 19436384.

The previous prime is 38872763. The next prime is 38872777. The reversal of 38872772 is 27727883.

It can be written as a sum of positive squares in only one way, i.e., 24840256 + 14032516 = 4984^2 + 3746^2 .

It is a super-2 number, since 2×38872772² = 3022184805927968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38872777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4859093 + ... + 4859100.

It is an arithmetic number, because the mean of its divisors is an integer number (11337893).

Almost surely, 2^38872772 is an apocalyptic number.

It is an amenable number.

38872772 is a deficient number, since it is larger than the sum of its proper divisors (29154586).

38872772 is a wasteful number, since it uses less digits than its factorization.

38872772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718197 (or 9718195 counting only the distinct ones).

The product of its digits is 263424, while the sum is 44.

The square root of 38872772 is about 6234.8032847877. The cubic root of 38872772 is about 338.7519758603.

The spelling of 38872772 in words is "thirty-eight million, eight hundred seventy-two thousand, seven hundred seventy-two".