397347608 has 32 divisors (see below), whose sum is σ = 896275200. Its totient is φ = 161328672.

The previous prime is 397347607. The next prime is 397347617. The reversal of 397347608 is 806743793.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397347607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185660 + ... + 187787.

It is an arithmetic number, because the mean of its divisors is an integer number (28008600).

Almost surely, 2^397347608 is an apocalyptic number.

397347608 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397347608 is an abundant number, since it is smaller than the sum of its proper divisors (498927592).

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

397347608 is a wasteful number, since it uses less digits than its factorization.

397347608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373479 (or 373475 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 397347608 is about 19933.5799092887. The cubic root of 397347608 is about 735.1741040963.

The spelling of 397347608 in words is "three hundred ninety-seven million, three hundred forty-seven thousand, six hundred eight".