38942664 has 32 divisors (see below), whose sum is σ = 97552320. Its totient is φ = 12954816.

The previous prime is 38942641. The next prime is 38942669. The reversal of 38942664 is 46624983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38942669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13389 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (3048510).

Almost surely, 2^38942664 is an apocalyptic number.

It is an amenable number.

38942664 is an abundant number, since it is smaller than the sum of its proper divisors (58609656).

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

38942664 is a wasteful number, since it uses less digits than its factorization.

38942664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3265 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 38942664 is about 6240.4057560386. The cubic root of 38942664 is about 338.9548760433.

The spelling of 38942664 in words is "thirty-eight million, nine hundred forty-two thousand, six hundred sixty-four".