397604 has 6 divisors (see below), whose sum is σ = 695814. Its totient is φ = 198800.

The previous prime is 397597. The next prime is 397633. The reversal of 397604 is 406793.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 40000 = 598^2 + 200^2 .

It is an unprimeable number.

397604 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49697 + ... + 49704.

It is an arithmetic number, because the mean of its divisors is an integer number (115969).

2³⁹⁷⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

397604 is a deficient number, since it is larger than the sum of its proper divisors (298210).

397604 is a wasteful number, since it uses less digits than its factorization.

397604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99405 (or 99403 counting only the distinct ones).

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

The square root of 397604 is about 630.5584826168. The cubic root of 397604 is about 73.5332195926.

It can be divided in two parts, 397 and 604, that added together give a palindrome (1001).

The spelling of 397604 in words is "three hundred ninety-seven thousand, six hundred four".