398431714792 has 32 divisors (see below), whose sum is σ = 776285798400. Its totient is φ = 191483780544.

The previous prime is 398431714757. The next prime is 398431714817. The reversal of 398431714792 is 297417134893.

It is a Harshad number since it is a multiple of its sum of digits (58).

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, 3798888 + ... + 3902359.

It is an arithmetic number, because the mean of its divisors is an integer number (24258931200).

Almost surely, 2^398431714792 is an apocalyptic number.

It is an amenable number.

398431714792 is a deficient number, since it is larger than the sum of its proper divisors (377854083608).

398431714792 is a wasteful number, since it uses less digits than its factorization.

398431714792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701505 (or 7701501 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 58.

The spelling of 398431714792 in words is "three hundred ninety-eight billion, four hundred thirty-one million, seven hundred fourteen thousand, seven hundred ninety-two".