38838864 has 20 divisors (see below), whose sum is σ = 100333856. Its totient is φ = 12946272.

The previous prime is 38838827. The next prime is 38838871. The reversal of 38838864 is 46883883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 809143 = 38838864 / (3 + 8 + 8 + 3 + 8 + 8 + 6 + 4).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 404524 + ... + 404619.

Almost surely, 2^38838864 is an apocalyptic number.

It is an amenable number.

38838864 is an abundant number, since it is smaller than the sum of its proper divisors (61494992).

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

38838864 is a wasteful number, since it uses less digits than its factorization.

38838864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809154 (or 809148 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 38838864 is about 6232.0834397495. The cubic root of 38838864 is about 338.6534515135.

The spelling of 38838864 in words is "thirty-eight million, eight hundred thirty-eight thousand, eight hundred sixty-four".