38666894 has 16 divisors (see below), whose sum is σ = 66624000. Its totient is φ = 16487064.

The previous prime is 38666861. The next prime is 38666939. The reversal of 38666894 is 49866683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (4164000).

Almost surely, 2^38666894 is an apocalyptic number.

38666894 is a deficient number, since it is larger than the sum of its proper divisors (27957106).

38666894 is a wasteful number, since it uses less digits than its factorization.

38666894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087.

The product of its digits is 1492992, while the sum is 50.

The square root of 38666894 is about 6218.2709815511. The cubic root of 38666894 is about 338.1528841650.

The spelling of 38666894 in words is "thirty-eight million, six hundred sixty-six thousand, eight hundred ninety-four".