398219108 has 24 divisors (see below), whose sum is σ = 805392000. Its totient is φ = 168746688.

The previous prime is 398219089. The next prime is 398219111. The reversal of 398219108 is 801912893.

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 7 ways as a sum of consecutive naturals, for example, 77408 + ... + 82391.

It is an arithmetic number, because the mean of its divisors is an integer number (33558000).

Almost surely, 2^398219108 is an apocalyptic number.

It is an amenable number.

398219108 is an abundant number, since it is smaller than the sum of its proper divisors (407172892).

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

398219108 is a wasteful number, since it uses less digits than its factorization.

398219108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159899 (or 159897 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 398219108 is about 19955.4280334950. The cubic root of 398219108 is about 735.7111958611.

The spelling of 398219108 in words is "three hundred ninety-eight million, two hundred nineteen thousand, one hundred eight".