2298905 has 16 divisors (see below), whose sum is σ = 3319680. Its totient is φ = 1492992.

The previous prime is 2298889. The next prime is 2298937. The reversal of 2298905 is 5098922.

It is a cyclic number.

It is not a de Polignac number, because 2298905 - 2⁴ = 2298889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

2^2298905 is an apocalyptic number.

It is an amenable number.

2298905 is a deficient number, since it is larger than the sum of its proper divisors (1020775).

2298905 is a wasteful number, since it uses less digits than its factorization.

2298905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2298905 is about 1516.2140350228. The cubic root of 2298905 is about 131.9796609311.

The spelling of 2298905 in words is "two million, two hundred ninety-eight thousand, nine hundred five".