397420592 has 20 divisors (see below), whose sum is σ = 776069376. Its totient is φ = 197144640.

The previous prime is 397420591. The next prime is 397420607. The reversal of 397420592 is 295024793.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (397420591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95759 + ... + 99822.

Almost surely, 2^397420592 is an apocalyptic number.

It is an amenable number.

397420592 is a deficient number, since it is larger than the sum of its proper divisors (378648784).

397420592 is a wasteful number, since it uses less digits than its factorization.

397420592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195716 (or 195710 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 397420592 is about 19935.4105049282. The cubic root of 397420592 is about 735.2191131018.

The spelling of 397420592 in words is "three hundred ninety-seven million, four hundred twenty thousand, five hundred ninety-two".