2298645 has 16 divisors (see below), whose sum is σ = 4086720. Its totient is φ = 1225872.

The previous prime is 2298641. The next prime is 2298661. The reversal of 2298645 is 5468922.

It is a happy number.

2298645 is a `hidden beast` number, since 2 + 2 + 9 + 8 + 645 = 666.

It is not a de Polignac number, because 2298645 - 2² = 2298641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8379 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (255420).

2^2298645 is an apocalyptic number.

It is an amenable number.

2298645 is a deficient number, since it is larger than the sum of its proper divisors (1788075).

2298645 is a wasteful number, since it uses less digits than its factorization.

2298645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17041 (or 17035 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2298645 is about 1516.1282927246. The cubic root of 2298645 is about 131.9746852281.

The spelling of 2298645 in words is "two million, two hundred ninety-eight thousand, six hundred forty-five".