38999024 has 20 divisors (see below), whose sum is σ = 75660336. Its totient is φ = 19473792.

The previous prime is 38999021. The next prime is 38999057. The reversal of 38999024 is 42099983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38999021) 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, 18572 + ... + 20564.

Almost surely, 2^38999024 is an apocalyptic number.

It is an amenable number.

38999024 is a deficient number, since it is larger than the sum of its proper divisors (36661312).

38999024 is a wasteful number, since it uses less digits than its factorization.

38999024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 38999024 is about 6244.9198553704. The cubic root of 38999024 is about 339.1183153698.

The spelling of 38999024 in words is "thirty-eight million, nine hundred ninety-nine thousand, twenty-four".