38000015 has 16 divisors (see below), whose sum is σ = 48589632. Its totient is φ = 28429824.

The previous prime is 38000009. The next prime is 38000047. The reversal of 38000015 is 51000083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38000015 is a prime.

It is a super-2 number, since 2×38000015² = 2888002280000450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37999957 and 38000002.

It is a congruent 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, 12857 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (3036852).

Almost surely, 2^38000015 is an apocalyptic number.

38000015 is a deficient number, since it is larger than the sum of its proper divisors (10589617).

38000015 is a wasteful number, since it uses less digits than its factorization.

38000015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 38000015 is about 6164.4152196295. The cubic root of 38000015 is about 336.1975849164.

Adding to 38000015 its reverse (51000083), we get a palindrome (89000098).

The spelling of 38000015 in words is "thirty-eight million, fifteen", and thus it is an aban number and an uban number.