398947080 has 64 divisors (see below), whose sum is σ = 1367821440. Its totient is φ = 91187712.

The previous prime is 398947063. The next prime is 398947093. The reversal of 398947080 is 80749893.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236629 + ... + 238308.

It is an arithmetic number, because the mean of its divisors is an integer number (21372210).

Almost surely, 2^398947080 is an apocalyptic number.

398947080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

398947080 is an abundant number, since it is smaller than the sum of its proper divisors (968874360).

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

398947080 is a wasteful number, since it uses less digits than its factorization.

398947080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474958 (or 474954 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 398947080 is about 19973.6596546552. The cubic root of 398947080 is about 736.1592332302.

The spelling of 398947080 in words is "three hundred ninety-eight million, nine hundred forty-seven thousand, eighty".