2397609 has 6 divisors (see below), whose sum is σ = 3463226. Its totient is φ = 1598400.

The previous prime is 2397601. The next prime is 2397613. The reversal of 2397609 is 9067932.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 451584 = 1395^2 + 672^2 .

It is not a de Polignac number, because 2397609 - 2³ = 2397601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133192 + ... + 133209.

2^2397609 is an apocalyptic number.

It is an amenable number.

2397609 is a deficient number, since it is larger than the sum of its proper divisors (1065617).

2397609 is a wasteful number, since it uses less digits than its factorization.

2397609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266407 (or 266404 counting only the distinct ones).

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

The square root of 2397609 is about 1548.4214542559. The cubic root of 2397609 is about 133.8421137382.

The spelling of 2397609 in words is "two million, three hundred ninety-seven thousand, six hundred nine".