38870464 has 28 divisors (see below), whose sum is σ = 77550264. Its totient is φ = 19330304.

The previous prime is 38870443. The next prime is 38870467. The reversal of 38870464 is 46407883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11067 + ... + 14149.

Almost surely, 2^38870464 is an apocalyptic number.

It is an amenable number.

38870464 is a deficient number, since it is larger than the sum of its proper divisors (38679800).

38870464 is a wasteful number, since it uses less digits than its factorization.

38870464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292 (or 3282 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 38870464 is about 6234.6181919986. The cubic root of 38870464 is about 338.7452714672.

The spelling of 38870464 in words is "thirty-eight million, eight hundred seventy thousand, four hundred sixty-four".