397422 has 12 divisors (see below), whose sum is σ = 861120. Its totient is φ = 132468.

The previous prime is 397379. The next prime is 397427. The reversal of 397422 is 224793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11022 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (71760).

2³⁹⁷⁴²² is an apocalyptic number.

397422 is an abundant number, since it is smaller than the sum of its proper divisors (463698).

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

397422 is a wasteful number, since it uses less digits than its factorization.

397422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22087 (or 22084 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 397422 is about 630.4141495874. The cubic root of 397422 is about 73.5219981357.

The spelling of 397422 in words is "three hundred ninety-seven thousand, four hundred twenty-two".