39971296 has 48 divisors (see below), whose sum is σ = 81230688. Its totient is φ = 19353600.

The previous prime is 39971227. The next prime is 39971297. The reversal of 39971296 is 69217993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39971297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165736 + ... + 165976.

It is an arithmetic number, because the mean of its divisors is an integer number (1692306).

Almost surely, 2^39971296 is an apocalyptic number.

It is an amenable number.

39971296 is an abundant number, since it is smaller than the sum of its proper divisors (41259392).

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

39971296 is a wasteful number, since it uses less digits than its factorization.

39971296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 387 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 39971296 is about 6322.2856626382. The cubic root of 39971296 is about 341.9133645104.

The spelling of 39971296 in words is "thirty-nine million, nine hundred seventy-one thousand, two hundred ninety-six".