39944608 has 48 divisors (see below), whose sum is σ = 88137504. Its totient is φ = 17660160.

The previous prime is 39944581. The next prime is 39944627. The reversal of 39944608 is 80644993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11491 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (1836198).

Almost surely, 2^39944608 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 39944608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44068752).

39944608 is an abundant number, since it is smaller than the sum of its proper divisors (48192896).

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

39944608 is a wasteful number, since it uses less digits than its factorization.

39944608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 39944608 is about 6320.1746811303. The cubic root of 39944608 is about 341.8372514294.

The spelling of 39944608 in words is "thirty-nine million, nine hundred forty-four thousand, six hundred eight".