38944866 has 16 divisors (see below), whose sum is σ = 80402688. Its totient is φ = 12562800.

The previous prime is 38944847. The next prime is 38944907. The reversal of 38944866 is 66844983.

It is a super-3 number, since 3×38944866³ (a number of 24 digits) contains 333 as substring.

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, 104505 + ... + 104876.

It is an arithmetic number, because the mean of its divisors is an integer number (5025168).

Almost surely, 2^38944866 is an apocalyptic number.

38944866 is an abundant number, since it is smaller than the sum of its proper divisors (41457822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38944866 is a wasteful number, since it uses less digits than its factorization.

38944866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209417.

The product of its digits is 995328, while the sum is 48.

The square root of 38944866 is about 6240.5821843799. The cubic root of 38944866 is about 338.9612646198.

The spelling of 38944866 in words is "thirty-eight million, nine hundred forty-four thousand, eight hundred sixty-six".