398831427358 has 32 divisors (see below), whose sum is σ = 736700448960. Its totient is φ = 157694549760.

The previous prime is 398831427353. The next prime is 398831427433. The reversal of 398831427358 is 853724138893.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 398831427296 and 398831427305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398831427353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250063 + ... + 927466.

It is an arithmetic number, because the mean of its divisors is an integer number (23021889030).

Almost surely, 2^398831427358 is an apocalyptic number.

398831427358 is a deficient number, since it is larger than the sum of its proper divisors (337869021602).

398831427358 is a wasteful number, since it uses less digits than its factorization.

398831427358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179412.

The product of its digits is 34836480, while the sum is 61.

The spelling of 398831427358 in words is "three hundred ninety-eight billion, eight hundred thirty-one million, four hundred twenty-seven thousand, three hundred fifty-eight".