38638264 has 32 divisors (see below), whose sum is σ = 84492000. Its totient is φ = 16558080.

The previous prime is 38638261. The next prime is 38638279. The reversal of 38638264 is 46283683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38638261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (2640375).

Almost surely, 2^38638264 is an apocalyptic number.

It is an amenable number.

38638264 is an abundant number, since it is smaller than the sum of its proper divisors (45853736).

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

38638264 is a wasteful number, since it uses less digits than its factorization.

38638264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108 (or 14090 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 38638264 is about 6215.9684683885. The cubic root of 38638264 is about 338.0694044188.

The spelling of 38638264 in words is "thirty-eight million, six hundred thirty-eight thousand, two hundred sixty-four".