396679387328 has 224 divisors, whose sum is σ = 934004736000. Its totient is φ = 163633397760.

The previous prime is 396679387301. The next prime is 396679387337. The reversal of 396679387328 is 823783976693.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794948423 + ... + 794948921.

It is an arithmetic number, because the mean of its divisors is an integer number (4169664000).

Almost surely, 2^396679387328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396679387328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467002368000).

396679387328 is an abundant number, since it is smaller than the sum of its proper divisors (537325348672).

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

396679387328 is a wasteful number, since it uses less digits than its factorization.

396679387328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1045 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 71.

The spelling of 396679387328 in words is "three hundred ninety-six billion, six hundred seventy-nine million, three hundred eighty-seven thousand, three hundred twenty-eight".