39604938 has 8 divisors (see below), whose sum is σ = 79209888. Its totient is φ = 13201644.

The previous prime is 39604933. The next prime is 39604993. The reversal of 39604938 is 83940693.

It is a sphenic number, since it is the product of 3 distinct primes.

39604938 is an admirable number.

It is a super-2 number, since 2×39604938² = 3137102227967688, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 39604938.

It is not an unprimeable number, because it can be changed into a prime (39604931) 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, 3300406 + ... + 3300417.

It is an arithmetic number, because the mean of its divisors is an integer number (9901236).

Almost surely, 2^39604938 is an apocalyptic number.

39604938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39604938 is a wasteful number, since it uses less digits than its factorization.

39604938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600828.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 39604938 is about 6293.2454266459. The cubic root of 39604938 is about 340.8655512945.

The spelling of 39604938 in words is "thirty-nine million, six hundred four thousand, nine hundred thirty-eight".