39479568 has 80 divisors (see below), whose sum is σ = 109010880. Its totient is φ = 12275712.

The previous prime is 39479563. The next prime is 39479581. The reversal of 39479568 is 86597493.

It is a self number, because there is not a number n which added to its sum of digits gives 39479568.

It is not an unprimeable number, because it can be changed into a prime (39479563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66280 + ... + 66872.

It is an arithmetic number, because the mean of its divisors is an integer number (1362636).

Almost surely, 2^39479568 is an apocalyptic number.

39479568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39479568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54505440).

39479568 is an abundant number, since it is smaller than the sum of its proper divisors (69531312).

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

39479568 is a wasteful number, since it uses less digits than its factorization.

39479568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 690 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 39479568 is about 6283.2768520892. The cubic root of 39479568 is about 340.5054995112.

The spelling of 39479568 in words is "thirty-nine million, four hundred seventy-nine thousand, five hundred sixty-eight".