2298749 has 2 divisors, whose sum is σ = 2298750. Its totient is φ = 2298748.

The previous prime is 2298731. The next prime is 2298761. The reversal of 2298749 is 9478922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 196249 = 1450^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2298749 - 2⁸ = 2298493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2298719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149374 + 1149375.

It is an arithmetic number, because the mean of its divisors is an integer number (1149375).

2^2298749 is an apocalyptic number.

It is an amenable number.

2298749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298749 is an equidigital number, since it uses as much as digits as its factorization.

2298749 is an evil number, because the sum of its binary digits is even.

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

The square root of 2298749 is about 1516.1625902257. The cubic root of 2298749 is about 131.9766755543.

The spelling of 2298749 in words is "two million, two hundred ninety-eight thousand, seven hundred forty-nine".