2397969 has 24 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 1289088.

The previous prime is 2397961. The next prime is 2397991. The reversal of 2397969 is 9697932.

It is not a de Polignac number, because 2397969 - 2³ = 2397961 is a prime.

It is a super-2 number, since 2×2397969² = 11500510649922, which contains 22 as substring.

It is a Curzon number.

2397969 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^2397969 is an apocalyptic number.

It is an amenable number.

2397969 is a deficient number, since it is larger than the sum of its proper divisors (1795311).

2397969 is a wasteful number, since it uses less digits than its factorization.

2397969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2266 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 2397969 is about 1548.5376973132. The cubic root of 2397969 is about 133.8488121823.

The spelling of 2397969 in words is "two million, three hundred ninety-seven thousand, nine hundred sixty-nine".