38649264 has 40 divisors (see below), whose sum is σ = 100170672. Its totient is φ = 12840960.

The previous prime is 38649263. The next prime is 38649271. The reversal of 38649264 is 46294683.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38649263) 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, 15804 + ... + 18084.

Almost surely, 2^38649264 is an apocalyptic number.

It is an amenable number.

38649264 is an abundant number, since it is smaller than the sum of its proper divisors (61521408).

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

38649264 is a wasteful number, since it uses less digits than its factorization.

38649264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2639 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 38649264 is about 6216.8532232955. The cubic root of 38649264 is about 338.1014832462.

The spelling of 38649264 in words is "thirty-eight million, six hundred forty-nine thousand, two hundred sixty-four".