398081196 has 48 divisors (see below), whose sum is σ = 1034302080. Its totient is φ = 132405840.

The previous prime is 398081153. The next prime is 398081213. The reversal of 398081196 is 691180893.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 49275 + ... + 56781.

It is an arithmetic number, because the mean of its divisors is an integer number (21547960).

Almost surely, 2^398081196 is an apocalyptic number.

398081196 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398081196 is an abundant number, since it is smaller than the sum of its proper divisors (636220884).

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

398081196 is a wasteful number, since it uses less digits than its factorization.

398081196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8011 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 398081196 is about 19951.9722333407. The cubic root of 398081196 is about 735.6262550872.

The spelling of 398081196 in words is "three hundred ninety-eight million, eighty-one thousand, one hundred ninety-six".