38864224 has 24 divisors (see below), whose sum is σ = 87445008. Its totient is φ = 16656000.

The previous prime is 38864197. The next prime is 38864237. The reversal of 38864224 is 42246883.

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, 86527 + ... + 86974.

It is an arithmetic number, because the mean of its divisors is an integer number (3643542).

Almost surely, 2^38864224 is an apocalyptic number.

It is an amenable number.

38864224 is an abundant number, since it is smaller than the sum of its proper divisors (48580784).

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

38864224 is a wasteful number, since it uses less digits than its factorization.

38864224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173518 (or 173510 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 38864224 is about 6234.1177403062. The cubic root of 38864224 is about 338.7271438762.

The spelling of 38864224 in words is "thirty-eight million, eight hundred sixty-four thousand, two hundred twenty-four".