23988894 has 32 divisors (see below), whose sum is σ = 49337856. Its totient is φ = 7772160.

The previous prime is 23988871. The next prime is 23988901. The reversal of 23988894 is 49888932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72309 + ... + 72639.

It is an arithmetic number, because the mean of its divisors is an integer number (1541808).

Almost surely, 2^23988894 is an apocalyptic number.

23988894 is an abundant number, since it is smaller than the sum of its proper divisors (25348962).

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

23988894 is a wasteful number, since it uses less digits than its factorization.

23988894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 995328, while the sum is 51.

The square root of 23988894 is about 4897.8458530256. The cubic root of 23988894 is about 288.4054137974.

The spelling of 23988894 in words is "twenty-three million, nine hundred eighty-eight thousand, eight hundred ninety-four".