397499910 has 16 divisors (see below), whose sum is σ = 953999856. Its totient is φ = 105999968.

The previous prime is 397499909. The next prime is 397499929. The reversal of 397499910 is 19994793.

397499910 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6624969 + ... + 6625028.

It is an arithmetic number, because the mean of its divisors is an integer number (59624991).

Almost surely, 2^397499910 is an apocalyptic number.

397499910 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397499910 is an abundant number, since it is smaller than the sum of its proper divisors (556499946).

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

397499910 is a wasteful number, since it uses less digits than its factorization.

397499910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13250007.

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 397499910 is about 19937.3997803124. The cubic root of 397499910 is about 735.2680220172.

The spelling of 397499910 in words is "three hundred ninety-seven million, four hundred ninety-nine thousand, nine hundred ten".