398337702312 has 128 divisors (see below), whose sum is σ = 1111092111360. Its totient is φ = 117979480320.

The previous prime is 398337702311. The next prime is 398337702317. The reversal of 398337702312 is 213207733893.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (398337702311) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3625773 + ... + 3734019.

It is an arithmetic number, because the mean of its divisors is an integer number (8680407120).

Almost surely, 2^398337702312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398337702312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555546055680).

398337702312 is an abundant number, since it is smaller than the sum of its proper divisors (712754409048).

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

398337702312 is a wasteful number, since it uses less digits than its factorization.

398337702312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108583 (or 108579 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 398337702312 in words is "three hundred ninety-eight billion, three hundred thirty-seven million, seven hundred two thousand, three hundred twelve".