38993315 has 16 divisors (see below), whose sum is σ = 48463488. Its totient is φ = 30099456.

The previous prime is 38993299. The next prime is 38993323. The reversal of 38993315 is 51339983.

It is a cyclic number.

It is not a de Polignac number, because 38993315 - 2⁴ = 38993299 is a prime.

It is a super-2 number, since 2×38993315² = 3040957229378450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16019 + ... + 18291.

It is an arithmetic number, because the mean of its divisors is an integer number (3028968).

Almost surely, 2^38993315 is an apocalyptic number.

38993315 is a deficient number, since it is larger than the sum of its proper divisors (9470173).

38993315 is a wasteful number, since it uses less digits than its factorization.

38993315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398.

The product of its digits is 87480, while the sum is 41.

The square root of 38993315 is about 6244.4627471064. The cubic root of 38993315 is about 339.1017669134.

The spelling of 38993315 in words is "thirty-eight million, nine hundred ninety-three thousand, three hundred fifteen".