39996704 has 72 divisors (see below), whose sum is σ = 89350128. Its totient is φ = 17475840.

The previous prime is 39996703. The next prime is 39996709. The reversal of 39996704 is 40769993.

It is not an unprimeable number, because it can be changed into a prime (39996703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481847 + ... + 481929.

It is an arithmetic number, because the mean of its divisors is an integer number (1240974).

Almost surely, 2^39996704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39996704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44675064).

39996704 is an abundant number, since it is smaller than the sum of its proper divisors (49353424).

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

39996704 is a wasteful number, since it uses less digits than its factorization.

39996704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 39996704 is about 6324.2947432896. The cubic root of 39996704 is about 341.9857956095.

The spelling of 39996704 in words is "thirty-nine million, nine hundred ninety-six thousand, seven hundred four".