397099876 has 24 divisors (see below), whose sum is σ = 735364224. Its totient is φ = 187239360.

The previous prime is 397099837. The next prime is 397099909. The reversal of 397099876 is 678990793.

It is a self number, because there is not a number n which added to its sum of digits gives 397099876.

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, 23865 + ... + 36928.

It is an arithmetic number, because the mean of its divisors is an integer number (30640176).

Almost surely, 2^397099876 is an apocalyptic number.

It is an amenable number.

397099876 is a deficient number, since it is larger than the sum of its proper divisors (338264348).

397099876 is a wasteful number, since it uses less digits than its factorization.

397099876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60891 (or 60889 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 397099876 is about 19927.3650039337. The cubic root of 397099876 is about 735.0212874270.

The spelling of 397099876 in words is "three hundred ninety-seven million, ninety-nine thousand, eight hundred seventy-six".