38873511 has 12 divisors (see below), whose sum is σ = 56256720. Its totient is φ = 25866720.

The previous prime is 38873503. The next prime is 38873521. The reversal of 38873511 is 11537883.

It is not a de Polignac number, because 38873511 - 2³ = 38873503 is a prime.

It is a super-2 number, since 2×38873511² = 3022299714934242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38873501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326 + ... + 8916.

It is an arithmetic number, because the mean of its divisors is an integer number (4688060).

Almost surely, 2^38873511 is an apocalyptic number.

38873511 is a deficient number, since it is larger than the sum of its proper divisors (17383209).

38873511 is a wasteful number, since it uses less digits than its factorization.

38873511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166 (or 8163 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 38873511 is about 6234.8625486052. The cubic root of 38873511 is about 338.7541224881.

The spelling of 38873511 in words is "thirty-eight million, eight hundred seventy-three thousand, five hundred eleven".