39112904 has 8 divisors (see below), whose sum is σ = 73336710. Its totient is φ = 19556448.

The previous prime is 39112901. The next prime is 39112921. The reversal of 39112904 is 40921193.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 3232804 = 5990^2 + 1798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (39112901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444549 + ... + 2444564.

Almost surely, 2^39112904 is an apocalyptic number.

It is an amenable number.

39112904 is a deficient number, since it is larger than the sum of its proper divisors (34223806).

39112904 is a wasteful number, since it uses less digits than its factorization.

39112904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889119 (or 4889115 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 39112904 is about 6254.0310200702. The cubic root of 39112904 is about 339.4480780216.

The spelling of 39112904 in words is "thirty-nine million, one hundred twelve thousand, nine hundred four".