38875215 has 8 divisors (see below), whose sum is σ = 62200368. Its totient is φ = 20733440.

The previous prime is 38875211. The next prime is 38875217. The reversal of 38875215 is 51257883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38875215 - 2² = 38875211 is a prime.

It is a super-2 number, since 2×38875215² = 3022564682592450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38875211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295826 + ... + 1295855.

It is an arithmetic number, because the mean of its divisors is an integer number (7775046).

Almost surely, 2^38875215 is an apocalyptic number.

38875215 is a deficient number, since it is larger than the sum of its proper divisors (23325153).

38875215 is a wasteful number, since it uses less digits than its factorization.

38875215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591689.

The product of its digits is 67200, while the sum is 39.

The square root of 38875215 is about 6234.9991980753. Note that the first 3 decimals coincide. The cubic root of 38875215 is about 338.7590721190.

The spelling of 38875215 in words is "thirty-eight million, eight hundred seventy-five thousand, two hundred fifteen".