39616868 has 12 divisors (see below), whose sum is σ = 73407852. Its totient is φ = 18643200.

The previous prime is 39616867. The next prime is 39616883. The reversal of 39616868 is 86861693.

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 28111204 = 3392^2 + 5302^2 .

It is not an unprimeable number, because it can be changed into a prime (39616861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291233 + ... + 291368.

It is an arithmetic number, because the mean of its divisors is an integer number (6117321).

Almost surely, 2^39616868 is an apocalyptic number.

It is an amenable number.

39616868 is a deficient number, since it is larger than the sum of its proper divisors (33790984).

39616868 is a wasteful number, since it uses less digits than its factorization.

39616868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582622 (or 582620 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 39616868 is about 6294.1931969078. The cubic root of 39616868 is about 340.8997736077.

The spelling of 39616868 in words is "thirty-nine million, six hundred sixteen thousand, eight hundred sixty-eight".