398976974596 has 12 divisors (see below), whose sum is σ = 698238054220. Its totient is φ = 199480387680.

The previous prime is 398976974579. The next prime is 398976974621. The reversal of 398976974596 is 695479679893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 192510337600 + 206466636996 = 438760^2 + 454386^2 .

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, 1913391 + ... + 2111638.

Almost surely, 2^398976974596 is an apocalyptic number.

It is an amenable number.

398976974596 is a deficient number, since it is larger than the sum of its proper divisors (299261079624).

398976974596 is a wasteful number, since it uses less digits than its factorization.

398976974596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049814 (or 4049812 counting only the distinct ones).

The product of its digits is 5555329920, while the sum is 82.

The spelling of 398976974596 in words is "three hundred ninety-eight billion, nine hundred seventy-six million, nine hundred seventy-four thousand, five hundred ninety-six".