398882858998 has 16 divisors (see below), whose sum is σ = 644666888880. Its totient is φ = 184009022496.

The previous prime is 398882858993. The next prime is 398882859019. The reversal of 398882858998 is 899858288893.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398882858993) 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, 3727840 + ... + 3833347.

It is an arithmetic number, because the mean of its divisors is an integer number (40291680555).

Almost surely, 2^398882858998 is an apocalyptic number.

398882858998 is a deficient number, since it is larger than the sum of its proper divisors (245784029882).

398882858998 is a wasteful number, since it uses less digits than its factorization.

398882858998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563231.

The product of its digits is 5733089280, while the sum is 85.

The spelling of 398882858998 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, eight hundred fifty-eight thousand, nine hundred ninety-eight".