397349 has 4 divisors (see below), whose sum is σ = 399564. Its totient is φ = 395136.

The previous prime is 397337. The next prime is 397351. The reversal of 397349 is 943793.

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

It can be written as a sum of positive squares in 2 ways, for example, as 368449 + 28900 = 607^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 397349 - 2⁸ = 397093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (99891).

2³⁹⁷³⁴⁹ is an apocalyptic number.

It is an amenable number.

397349 is a deficient number, since it is larger than the sum of its proper divisors (2215).

397349 is a wasteful number, since it uses less digits than its factorization.

397349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its digits is 20412, while the sum is 35.

The square root of 397349 is about 630.3562484818. The cubic root of 397349 is about 73.5174962590.

The spelling of 397349 in words is "three hundred ninety-seven thousand, three hundred forty-nine".