2299638 has 16 divisors (see below), whose sum is σ = 5017536. Its totient is φ = 696840.

The previous prime is 2299637. The next prime is 2299651. The reversal of 2299638 is 8369922.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2299596 and 2299605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17356 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (313596).

2^2299638 is an apocalyptic number.

2299638 is an abundant number, since it is smaller than the sum of its proper divisors (2717898).

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

2299638 is a wasteful number, since it uses less digits than its factorization.

2299638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34859.

The product of its digits is 46656, while the sum is 39.

The square root of 2299638 is about 1516.4557362482. The cubic root of 2299638 is about 131.9936865667.

The spelling of 2299638 in words is "two million, two hundred ninety-nine thousand, six hundred thirty-eight".