2323638 has 24 divisors (see below), whose sum is σ = 5071248. Its totient is φ = 768912.

The previous prime is 2323631. The next prime is 2323669. The reversal of 2323638 is 8363232.

2323638 is a `hidden beast` number, since 2 + 3 + 23 + 638 = 666.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (211302).

2^2323638 is an apocalyptic number.

2323638 is an abundant number, since it is smaller than the sum of its proper divisors (2747610).

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

2323638 is a wasteful number, since it uses less digits than its factorization.

2323638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 945 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2323638 is about 1524.3483853765. The cubic root of 2323638 is about 132.4512791088.

The spelling of 2323638 in words is "two million, three hundred twenty-three thousand, six hundred thirty-eight".