38961868 has 12 divisors (see below), whose sum is σ = 74381832. Its totient is φ = 17709920.

The previous prime is 38961863. The next prime is 38961869. The reversal of 38961868 is 86816983.

It is not an unprimeable number, because it can be changed into a prime (38961863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442705 + ... + 442792.

It is an arithmetic number, because the mean of its divisors is an integer number (6198486).

Almost surely, 2^38961868 is an apocalyptic number.

It is an amenable number.

38961868 is a deficient number, since it is larger than the sum of its proper divisors (35419964).

38961868 is a wasteful number, since it uses less digits than its factorization.

38961868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885512 (or 885510 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 38961868 is about 6241.9442483893. The cubic root of 38961868 is about 339.0105837520.

The spelling of 38961868 in words is "thirty-eight million, nine hundred sixty-one thousand, eight hundred sixty-eight".