23938644 has 24 divisors (see below), whose sum is σ = 56645568. Its totient is φ = 7866880.

The previous prime is 23938643. The next prime is 23938661. The reversal of 23938644 is 44683932.

It is a hoax number, since the sum of its digits (39) 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 (23938643) 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, 13197 + ... + 14900.

It is an arithmetic number, because the mean of its divisors is an integer number (2360232).

Almost surely, 2^23938644 is an apocalyptic number.

It is an amenable number.

23938644 is an abundant number, since it is smaller than the sum of its proper divisors (32706924).

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

23938644 is a wasteful number, since it uses less digits than its factorization.

23938644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28175 (or 28173 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 23938644 is about 4892.7133576370. The cubic root of 23938644 is about 288.2038968928.

It can be divided in two parts, 239 and 38644, that added together give a palindrome (38883).

The spelling of 23938644 in words is "twenty-three million, nine hundred thirty-eight thousand, six hundred forty-four".