397170350 has 12 divisors (see below), whose sum is σ = 738736944. Its totient is φ = 158868120.

The previous prime is 397170343. The next prime is 397170353. The reversal of 397170350 is 53071793.

It is a self number, because there is not a number n which added to its sum of digits gives 397170350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397170353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3971654 + ... + 3971753.

It is an arithmetic number, because the mean of its divisors is an integer number (61561412).

Almost surely, 2^397170350 is an apocalyptic number.

397170350 is a deficient number, since it is larger than the sum of its proper divisors (341566594).

397170350 is a wasteful number, since it uses less digits than its factorization.

397170350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943419 (or 7943414 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 397170350 is about 19929.1331974073. The cubic root of 397170350 is about 735.0647666869.

The spelling of 397170350 in words is "three hundred ninety-seven million, one hundred seventy thousand, three hundred fifty".