398316308679804 has 48 divisors (see below), whose sum is σ = 984736483869600. Its totient is φ = 124878055673856.

The previous prime is 398316308679797. The next prime is 398316308679827. The reversal of 398316308679804 is 408976803613893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655347999 + ... + 655955510.

It is an arithmetic number, because the mean of its divisors is an integer number (20515343413950).

Almost surely, 2^{398316308679804} is an apocalyptic number.

398316308679804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

398316308679804 is an abundant number, since it is smaller than the sum of its proper divisors (586420175189796).

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

398316308679804 is a wasteful number, since it uses less digits than its factorization.

398316308679804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311305022 (or 1311305020 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 75.

The spelling of 398316308679804 in words is "three hundred ninety-eight trillion, three hundred sixteen billion, three hundred eight million, six hundred seventy-nine thousand, eight hundred four".