2297849 has 2 divisors, whose sum is σ = 2297850. Its totient is φ = 2297848.

The previous prime is 2297843. The next prime is 2297857. The reversal of 2297849 is 9487922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 1087849 = 1100^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 2297849 - 2⁸ = 2297593 is a prime.

It is a super-2 number, since 2×2297849² = 10560220053602, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 9⁵ + 7⁵ + 8⁵ + 4⁴ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (2297843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1148924 + 1148925.

It is an arithmetic number, because the mean of its divisors is an integer number (1148925).

2^2297849 is an apocalyptic number.

It is an amenable number.

2297849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2297849 is an equidigital number, since it uses as much as digits as its factorization.

2297849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 2297849 is about 1515.8657592280. The cubic root of 2297849 is about 131.9594495889.

The spelling of 2297849 in words is "two million, two hundred ninety-seven thousand, eight hundred forty-nine".