397607712 has 24 divisors (see below), whose sum is σ = 1043720496. Its totient is φ = 132535872.

The previous prime is 397607701. The next prime is 397607723. The reversal of 397607712 is 217706793.

It is an interprime number because it is at equal distance from previous prime (397607701) and next prime (397607723).

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070778 + ... + 2070969.

It is an arithmetic number, because the mean of its divisors is an integer number (43488354).

Almost surely, 2^397607712 is an apocalyptic number.

397607712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

397607712 is an abundant number, since it is smaller than the sum of its proper divisors (646112784).

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

397607712 is a wasteful number, since it uses less digits than its factorization.

397607712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141760 (or 4141752 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 42.

The square root of 397607712 is about 19940.1031090614. The cubic root of 397607712 is about 735.3344842537.

The spelling of 397607712 in words is "three hundred ninety-seven million, six hundred seven thousand, seven hundred twelve".