23638806 has 48 divisors (see below), whose sum is σ = 55087344. Its totient is φ = 7299072.

The previous prime is 23638801. The next prime is 23638807. The reversal of 23638806 is 60883632.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23638801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19926 + ... + 21078.

It is an arithmetic number, because the mean of its divisors is an integer number (1147653).

Almost surely, 2^23638806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23638806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27543672).

23638806 is an abundant number, since it is smaller than the sum of its proper divisors (31448538).

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

23638806 is a wasteful number, since it uses less digits than its factorization.

23638806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 23638806 is about 4861.9755244139. The cubic root of 23638806 is about 286.9955605589.

The spelling of 23638806 in words is "twenty-three million, six hundred thirty-eight thousand, eight hundred six".