398312286468 has 24 divisors (see below), whose sum is σ = 929410416480. Its totient is φ = 132768607680.

The previous prime is 398312286419. The next prime is 398312286503. The reversal of 398312286468 is 864682213893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617928 + ... + 1085568.

It is an arithmetic number, because the mean of its divisors is an integer number (38725434020).

Almost surely, 2^398312286468 is an apocalyptic number.

It is an amenable number.

398312286468 is an abundant number, since it is smaller than the sum of its proper divisors (531098130012).

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

398312286468 is a wasteful number, since it uses less digits than its factorization.

398312286468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538627 (or 538625 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 60.

The spelling of 398312286468 in words is "three hundred ninety-eight billion, three hundred twelve million, two hundred eighty-six thousand, four hundred sixty-eight".