397802000 has 40 divisors (see below), whose sum is σ = 961890072. Its totient is φ = 159120000.

The previous prime is 397801949. The next prime is 397802011. The reversal of 397802000 is 208793.

It can be written as a sum of positive squares in 4 ways, for example, as 63936016 + 333865984 = 7996^2 + 18272^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 97451 + ... + 101450.

Almost surely, 2^397802000 is an apocalyptic number.

It is an amenable number.

397802000 is an abundant number, since it is smaller than the sum of its proper divisors (564088072).

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

397802000 is a wasteful number, since it uses less digits than its factorization.

397802000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198924 (or 198908 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 397802000 is about 19944.9743043204. The cubic root of 397802000 is about 735.4542366277.

The spelling of 397802000 in words is "three hundred ninety-seven million, eight hundred two thousand".