396724396 has 24 divisors (see below), whose sum is σ = 707039424. Its totient is φ = 194743440.

The previous prime is 396724387. The next prime is 396724417. The reversal of 396724396 is 693427693.

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, 50451 + ... + 57781.

It is an arithmetic number, because the mean of its divisors is an integer number (29459976).

Almost surely, 2^396724396 is an apocalyptic number.

It is an amenable number.

396724396 is a deficient number, since it is larger than the sum of its proper divisors (310315028).

396724396 is a wasteful number, since it uses less digits than its factorization.

396724396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7581 (or 7579 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 49.

The square root of 396724396 is about 19917.9415603119. The cubic root of 396724396 is about 734.7895465460.

The spelling of 396724396 in words is "three hundred ninety-six million, seven hundred twenty-four thousand, three hundred ninety-six".