397354806 has 48 divisors (see below), whose sum is σ = 876814848. Its totient is φ = 130032000.

The previous prime is 397354799. The next prime is 397354817. The reversal of 397354806 is 608453793.

397354806 is a `hidden beast` number, since 39 + 73 + 548 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230026 + ... + 231746.

It is an arithmetic number, because the mean of its divisors is an integer number (18266976).

Almost surely, 2^397354806 is an apocalyptic number.

397354806 is an abundant number, since it is smaller than the sum of its proper divisors (479460042).

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

397354806 is a wasteful number, since it uses less digits than its factorization.

397354806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 397354806 is about 19933.7604580771. The cubic root of 397354806 is about 735.1785433254.

The spelling of 397354806 in words is "three hundred ninety-seven million, three hundred fifty-four thousand, eight hundred six".