397179160 has 128 divisors (see below), whose sum is σ = 1089728640. Its totient is φ = 127180800.

The previous prime is 397179151. The next prime is 397179179. The reversal of 397179160 is 61971793.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 861330 + ... + 861790.

It is an arithmetic number, because the mean of its divisors is an integer number (8513505).

Almost surely, 2^397179160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397179160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544864320).

397179160 is an abundant number, since it is smaller than the sum of its proper divisors (692549480).

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

397179160 is a wasteful number, since it uses less digits than its factorization.

397179160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 397179160 is about 19929.3542293773. The cubic root of 397179160 is about 735.0702016955.

The spelling of 397179160 in words is "three hundred ninety-seven million, one hundred seventy-nine thousand, one hundred sixty".