398328708795 has 16 divisors (see below), whose sum is σ = 649350952992. Its totient is φ = 208433638400.

The previous prime is 398328708781. The next prime is 398328708821. The reversal of 398328708795 is 597807823893.

It is not a de Polignac number, because 398328708795 - 2⁶ = 398328708731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250520406 + ... + 250521995.

It is an arithmetic number, because the mean of its divisors is an integer number (40584434562).

Almost surely, 2^398328708795 is an apocalyptic number.

398328708795 is a deficient number, since it is larger than the sum of its proper divisors (251022244197).

398328708795 is a wasteful number, since it uses less digits than its factorization.

398328708795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501042462.

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 398328708795 in words is "three hundred ninety-eight billion, three hundred twenty-eight million, seven hundred eight thousand, seven hundred ninety-five".