39968276 has 12 divisors (see below), whose sum is σ = 71650740. Its totient is φ = 19496640.

The previous prime is 39968263. The next prime is 39968281. The reversal of 39968276 is 67286993.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 31696900 = 2876^2 + 5630^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121691 + ... + 122018.

It is an arithmetic number, because the mean of its divisors is an integer number (5970895).

Almost surely, 2^39968276 is an apocalyptic number.

It is an amenable number.

39968276 is a deficient number, since it is larger than the sum of its proper divisors (31682464).

39968276 is a wasteful number, since it uses less digits than its factorization.

39968276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243754 (or 243752 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The square root of 39968276 is about 6322.0468204530. The cubic root of 39968276 is about 341.9047532946.

The spelling of 39968276 in words is "thirty-nine million, nine hundred sixty-eight thousand, two hundred seventy-six".