2298691 has 2 divisors, whose sum is σ = 2298692. Its totient is φ = 2298690.

The previous prime is 2298683. The next prime is 2298707. The reversal of 2298691 is 1968922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2298691 - 2³ = 2298683 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2298691.

It is not a weakly prime, because it can be changed into another prime (2298631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1149345 + 1149346.

It is an arithmetic number, because the mean of its divisors is an integer number (1149346).

2^2298691 is an apocalyptic number.

2298691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2298691 is an equidigital number, since it uses as much as digits as its factorization.

2298691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 37.

The square root of 2298691 is about 1516.1434628689. The cubic root of 2298691 is about 131.9755655721.

The spelling of 2298691 in words is "two million, two hundred ninety-eight thousand, six hundred ninety-one".