398836493316 has 36 divisors (see below), whose sum is σ = 1013236224000. Its totient is φ = 132277427568.

The previous prime is 398836493303. The next prime is 398836493317. The reversal of 398836493316 is 613394638893.

398836493316 is a `hidden beast` number, since 3 + 9 + 88 + 36 + 493 + 31 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (398836493317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27828996 + ... + 27843323.

Almost surely, 2^398836493316 is an apocalyptic number.

398836493316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398836493316 is an abundant number, since it is smaller than the sum of its proper divisors (614399730684).

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

398836493316 is a wasteful number, since it uses less digits than its factorization.

398836493316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55672528 (or 55672523 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 63.

The spelling of 398836493316 in words is "three hundred ninety-eight billion, eight hundred thirty-six million, four hundred ninety-three thousand, three hundred sixteen".