397725012 has 24 divisors (see below), whose sum is σ = 1031139200. Its totient is φ = 132574968.

The previous prime is 397724983. The next prime is 397725023. The reversal of 397725012 is 210527793.

397725012 is a `hidden beast` number, since 397 + 7 + 250 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1841212 + ... + 1841427.

Almost surely, 2^397725012 is an apocalyptic number.

It is an amenable number.

397725012 is an abundant number, since it is smaller than the sum of its proper divisors (633414188).

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

397725012 is a wasteful number, since it uses less digits than its factorization.

397725012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682652 (or 3682644 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 397725012 is about 19943.0442009238. The cubic root of 397725012 is about 735.4067885641.

The spelling of 397725012 in words is "three hundred ninety-seven million, seven hundred twenty-five thousand, twelve".