397695048 has 32 divisors (see below), whose sum is σ = 997208160. Its totient is φ = 132168960.

The previous prime is 397695041. The next prime is 397695073. The reversal of 397695048 is 840596793.

It is a super-2 number, since 2×397695048² = 316322702407444608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (397695041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16498 + ... + 32673.

It is an arithmetic number, because the mean of its divisors is an integer number (31162755).

Almost surely, 2^397695048 is an apocalyptic number.

It is an amenable number.

397695048 is an abundant number, since it is smaller than the sum of its proper divisors (599513112).

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

397695048 is a wasteful number, since it uses less digits than its factorization.

397695048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49517 (or 49513 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 397695048 is about 19942.2929474020. The cubic root of 397695048 is about 735.3883199557.

The spelling of 397695048 in words is "three hundred ninety-seven million, six hundred ninety-five thousand, forty-eight".