397570622 has 8 divisors (see below), whose sum is σ = 598238136. Its totient is φ = 198157912.

The previous prime is 397570609. The next prime is 397570639. The reversal of 397570622 is 226075793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 397570622.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 312908 + ... + 314175.

It is an arithmetic number, because the mean of its divisors is an integer number (74779767).

Almost surely, 2^397570622 is an apocalyptic number.

397570622 is a deficient number, since it is larger than the sum of its proper divisors (200667514).

397570622 is a wasteful number, since it uses less digits than its factorization.

397570622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627402.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 397570622 is about 19939.1730520601. The cubic root of 397570622 is about 735.3116188319.

The spelling of 397570622 in words is "three hundred ninety-seven million, five hundred seventy thousand, six hundred twenty-two".