398976974476 has 24 divisors (see below), whose sum is σ = 698856819696. Its totient is φ = 199303688640.

The previous prime is 398976974437. The next prime is 398976974483. The reversal of 398976974476 is 674479679893.

It is a junction number, because it is equal to n+sod(n) for n = 398976974396 and 398976974405.

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, 22192171 + ... + 22210141.

It is an arithmetic number, because the mean of its divisors is an integer number (29119034154).

Almost surely, 2^398976974476 is an apocalyptic number.

It is an amenable number.

398976974476 is a deficient number, since it is larger than the sum of its proper divisors (299879845220).

398976974476 is a wasteful number, since it uses less digits than its factorization.

398976974476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22809 (or 22807 counting only the distinct ones).

The product of its digits is 3456649728, while the sum is 79.

The spelling of 398976974476 in words is "three hundred ninety-eight billion, nine hundred seventy-six million, nine hundred seventy-four thousand, four hundred seventy-six".