2299904 has 24 divisors (see below), whose sum is σ = 4602780. Its totient is φ = 1148928.

The previous prime is 2299901. The next prime is 2299907. The reversal of 2299904 is 4099922.

It is an interprime number because it is at equal distance from previous prime (2299901) and next prime (2299907).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487 + ... + 2609.

2^2299904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2299904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301390).

2299904 is an abundant number, since it is smaller than the sum of its proper divisors (2302876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2299904 is an equidigital number, since it uses as much as digits as its factorization.

2299904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2299904 is about 1516.5434382173. The cubic root of 2299904 is about 131.9987756238.

The spelling of 2299904 in words is "two million, two hundred ninety-nine thousand, nine hundred four".