39980296 has 16 divisors (see below), whose sum is σ = 75737340. Its totient is φ = 19783680.

The previous prime is 39980257. The next prime is 39980321. The reversal of 39980296 is 69208993.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33477796 + 6502500 = 5786^2 + 2550^2 .

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, 24985 + ... + 26536.

Almost surely, 2^39980296 is an apocalyptic number.

It is an amenable number.

39980296 is a deficient number, since it is larger than the sum of its proper divisors (35757044).

39980296 is a wasteful number, since it uses less digits than its factorization.

39980296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51624 (or 51620 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 39980296 is about 6322.9973904787. The cubic root of 39980296 is about 341.9390245020.

The spelling of 39980296 in words is "thirty-nine million, nine hundred eighty thousand, two hundred ninety-six".