396744615774 has 24 divisors (see below), whose sum is σ = 925737437352. Its totient is φ = 122075266320.

The previous prime is 396744615763. The next prime is 396744615821. The reversal of 396744615774 is 477516447693.

It is a happy number.

396744615774 is a `hidden beast` number, since 3 + 9 + 6 + 7 + 4 + 4 + 615 + 7 + 7 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847744672 + ... + 847745139.

It is an arithmetic number, because the mean of its divisors is an integer number (38572393223).

Almost surely, 2^396744615774 is an apocalyptic number.

396744615774 is an abundant number, since it is smaller than the sum of its proper divisors (528992821578).

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

396744615774 is a wasteful number, since it uses less digits than its factorization.

396744615774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695489832 (or 1695489829 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 396744615774 in words is "three hundred ninety-six billion, seven hundred forty-four million, six hundred fifteen thousand, seven hundred seventy-four".