23886939 has 4 divisors (see below), whose sum is σ = 31849256. Its totient is φ = 15924624.

The previous prime is 23886913. The next prime is 23886953. The reversal of 23886939 is 93968832.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23886939 - 2⁹ = 23886427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23886959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981154 + ... + 3981159.

It is an arithmetic number, because the mean of its divisors is an integer number (7962314).

Almost surely, 2^23886939 is an apocalyptic number.

23886939 is a deficient number, since it is larger than the sum of its proper divisors (7962317).

23886939 is an equidigital number, since it uses as much as digits as its factorization.

23886939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962316.

The product of its digits is 559872, while the sum is 48.

The square root of 23886939 is about 4887.4266234901. The cubic root of 23886939 is about 287.9962504334.

The spelling of 23886939 in words is "twenty-three million, eight hundred eighty-six thousand, nine hundred thirty-nine".