39389704 has 16 divisors (see below), whose sum is σ = 73926720. Its totient is φ = 19675920.

The previous prime is 39389689. The next prime is 39389729. The reversal of 39389704 is 40798393.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10749 + ... + 13939.

It is an arithmetic number, because the mean of its divisors is an integer number (4620420).

Almost surely, 2^39389704 is an apocalyptic number.

It is an amenable number.

39389704 is a deficient number, since it is larger than the sum of its proper divisors (34537016).

39389704 is a wasteful number, since it uses less digits than its factorization.

39389704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 39389704 is about 6276.1217324077. The cubic root of 39389704 is about 340.2469486207.

The spelling of 39389704 in words is "thirty-nine million, three hundred eighty-nine thousand, seven hundred four".