397475208 has 64 divisors (see below), whose sum is σ = 1189036800. Its totient is φ = 122299200.

The previous prime is 397475179. The next prime is 397475227. The reversal of 397475208 is 802574793.

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, 67968 + ... + 73583.

It is an arithmetic number, because the mean of its divisors is an integer number (18578700).

Almost surely, 2^397475208 is an apocalyptic number.

It is an amenable number.

397475208 is an abundant number, since it is smaller than the sum of its proper divisors (791561592).

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

397475208 is a wasteful number, since it uses less digits than its factorization.

397475208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141579 (or 141569 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 397475208 is about 19936.7802816804. The cubic root of 397475208 is about 735.2527910143.

The spelling of 397475208 in words is "three hundred ninety-seven million, four hundred seventy-five thousand, two hundred eight".