2397397 has 2 divisors, whose sum is σ = 2397398. Its totient is φ = 2397396.

The previous prime is 2397383. The next prime is 2397403. The reversal of 2397397 is 7937932.

2397397 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 531441 = 1366^2 + 729^2 .

It is a cyclic number.

It is not a de Polignac number, because 2397397 - 2¹⁵ = 2364629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2397377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198698 + 1198699.

It is an arithmetic number, because the mean of its divisors is an integer number (1198699).

2^2397397 is an apocalyptic number.

It is an amenable number.

2397397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397397 is an equidigital number, since it uses as much as digits as its factorization.

2397397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71442, while the sum is 40.

The square root of 2397397 is about 1548.3529959283. The cubic root of 2397397 is about 133.8381687852.

The spelling of 2397397 in words is "two million, three hundred ninety-seven thousand, three hundred ninety-seven".