397136 has 10 divisors (see below), whose sum is σ = 769482. Its totient is φ = 198560.

The previous prime is 397127. The next prime is 397151. The reversal of 397136 is 631793.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 126736 = 520^2 + 356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 397099 and 397108.

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, 12395 + ... + 12426.

2³⁹⁷¹³⁶ is an apocalyptic number.

It is an amenable number.

397136 is a deficient number, since it is larger than the sum of its proper divisors (372346).

397136 is a wasteful number, since it uses less digits than its factorization.

397136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24829 (or 24823 counting only the distinct ones).

The product of its digits is 3402, while the sum is 29.

The square root of 397136 is about 630.1872737528. The cubic root of 397136 is about 73.5043574938.

The spelling of 397136 in words is "three hundred ninety-seven thousand, one hundred thirty-six".