2397449 has 2 divisors, whose sum is σ = 2397450. Its totient is φ = 2397448.

The previous prime is 2397403. The next prime is 2397463. The reversal of 2397449 is 9447932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2325625 + 71824 = 1525^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2397449 - 2²⁰ = 1348873 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2397049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198724 + 1198725.

It is an arithmetic number, because the mean of its divisors is an integer number (1198725).

2^2397449 is an apocalyptic number.

It is an amenable number.

2397449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397449 is an equidigital number, since it uses as much as digits as its factorization.

2397449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 2397449 is about 1548.3697878737. The cubic root of 2397449 is about 133.8391364367.

The spelling of 2397449 in words is "two million, three hundred ninety-seven thousand, four hundred forty-nine".