397396 has 6 divisors (see below), whose sum is σ = 695450. Its totient is φ = 198696.

The previous prime is 397379. The next prime is 397427. The reversal of 397396 is 693793.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 12996 = 620^2 + 114^2 .

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

397396 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, 49671 + ... + 49678.

2³⁹⁷³⁹⁶ is an apocalyptic number.

It is an amenable number.

397396 is a deficient number, since it is larger than the sum of its proper divisors (298054).

397396 is a wasteful number, since it uses less digits than its factorization.

397396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99353 (or 99351 counting only the distinct ones).

The product of its digits is 30618, while the sum is 37.

The square root of 397396 is about 630.3935278856. The cubic root of 397396 is about 73.5203947908.

The spelling of 397396 in words is "three hundred ninety-seven thousand, three hundred ninety-six".