38864072 has 16 divisors (see below), whose sum is σ = 78475740. Its totient is φ = 17937216.

The previous prime is 38864053. The next prime is 38864099. The reversal of 38864072 is 27046883.

It can be written as a sum of positive squares in 2 ways, for example, as 38365636 + 498436 = 6194^2 + 706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186743 + ... + 186950.

Almost surely, 2^38864072 is an apocalyptic number.

It is an amenable number.

38864072 is an abundant number, since it is smaller than the sum of its proper divisors (39611668).

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

38864072 is a wasteful number, since it uses less digits than its factorization.

38864072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373712 (or 373708 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 38864072 is about 6234.1055493150. The cubic root of 38864072 is about 338.7267022825.

The spelling of 38864072 in words is "thirty-eight million, eight hundred sixty-four thousand, seventy-two".