39808704 has 112 divisors (see below), whose sum is σ = 116494560. Its totient is φ = 11919360.

The previous prime is 39808693. The next prime is 39808711. The reversal of 39808704 is 40780893.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102142 + ... + 102530.

It is an arithmetic number, because the mean of its divisors is an integer number (1040130).

Almost surely, 2^39808704 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 39808704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58247280).

39808704 is an abundant number, since it is smaller than the sum of its proper divisors (76685856).

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

39808704 is a wasteful number, since it uses less digits than its factorization.

39808704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 39808704 is about 6309.4139188993. The cubic root of 39808704 is about 341.4491319886.

It can be divided in two parts, 39 and 808704, that multiplied together give a square (31539456 = 5616²).

The spelling of 39808704 in words is "thirty-nine million, eight hundred eight thousand, seven hundred four".