1397169 has 20 divisors (see below), whose sum is σ = 2137344. Its totient is φ = 909144.

The previous prime is 1397167. The next prime is 1397177. The reversal of 1397169 is 9617931.

It is not a de Polignac number, because 1397169 - 2¹ = 1397167 is a prime.

It is a super-2 number, since 2×1397169² = 3904162429122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3624 + ... + 3990.

2^1397169 is an apocalyptic number.

It is an amenable number.

1397169 is a deficient number, since it is larger than the sum of its proper divisors (740175).

1397169 is an equidigital number, since it uses as much as digits as its factorization.

1397169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 417 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1397169 is about 1182.0190353797. The cubic root of 1397169 is about 111.7934383626.

The spelling of 1397169 in words is "one million, three hundred ninety-seven thousand, one hundred sixty-nine".