38995331 has 8 divisors (see below), whose sum is σ = 41353920. Its totient is φ = 36643968.

The previous prime is 38995321. The next prime is 38995339. The reversal of 38995331 is 13359983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38995331 is a prime.

It is a super-2 number, since 2×38995331² = 3041271679599122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38995339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12710 + ... + 15476.

It is an arithmetic number, because the mean of its divisors is an integer number (5169240).

Almost surely, 2^38995331 is an apocalyptic number.

38995331 is a deficient number, since it is larger than the sum of its proper divisors (2358589).

38995331 is a wasteful number, since it uses less digits than its factorization.

38995331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613.

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

The square root of 38995331 is about 6244.6241680345. The cubic root of 38995331 is about 339.1076107987.

The spelling of 38995331 in words is "thirty-eight million, nine hundred ninety-five thousand, three hundred thirty-one".