397269 has 12 divisors (see below), whose sum is σ = 589836. Its totient is φ = 257472.

The previous prime is 397259. The next prime is 397283. The reversal of 397269 is 962793.

397269 is a `hidden beast` number, since 397 + 269 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 288369 + 108900 = 537^2 + 330^2 .

It is not a de Polignac number, because 397269 - 2⁴ = 397253 is a prime.

It is a super-2 number, since 2×397269² = 315645316722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (49153).

2³⁹⁷²⁶⁹ is an apocalyptic number.

It is an amenable number.

397269 is a deficient number, since it is larger than the sum of its proper divisors (192567).

397269 is a wasteful number, since it uses less digits than its factorization.

397269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1233 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 397269 is about 630.2927891068. The cubic root of 397269 is about 73.5125620622.

It can be divided in two parts, 397 and 269, that added together give a palindrome (666).

The spelling of 397269 in words is "three hundred ninety-seven thousand, two hundred sixty-nine".