397622 has 4 divisors (see below), whose sum is σ = 596436. Its totient is φ = 198810.

The previous prime is 397597. The next prime is 397633. The reversal of 397622 is 226793.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99404 + ... + 99407.

It is an arithmetic number, because the mean of its divisors is an integer number (149109).

2³⁹⁷⁶²² is an apocalyptic number.

397622 is a deficient number, since it is larger than the sum of its proper divisors (198814).

397622 is a wasteful number, since it uses less digits than its factorization.

397622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198813.

The product of its digits is 4536, while the sum is 29.

The square root of 397622 is about 630.5727555168. The cubic root of 397622 is about 73.5343292209.

It can be divided in two parts, 39762 and 2, that multiplied together give a square (79524 = 282²).

The spelling of 397622 in words is "three hundred ninety-seven thousand, six hundred twenty-two".