398992094512 has 40 divisors (see below), whose sum is σ = 843471585792. Its totient is φ = 181328347200.

The previous prime is 398992094471. The next prime is 398992094513. The reversal of 398992094512 is 215490299893.

It is not an unprimeable number, because it can be changed into a prime (398992094513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826837 + ... + 1217227.

Almost surely, 2^398992094512 is an apocalyptic number.

It is an amenable number.

398992094512 is an abundant number, since it is smaller than the sum of its proper divisors (444479491280).

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

398992094512 is a wasteful number, since it uses less digits than its factorization.

398992094512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396217 (or 396211 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 398992094512 in words is "three hundred ninety-eight billion, nine hundred ninety-two million, ninety-four thousand, five hundred twelve".