23939814 has 16 divisors (see below), whose sum is σ = 49174128. Its totient is φ = 7764192.

The previous prime is 23939809. The next prime is 23939827. The reversal of 23939814 is 41893932.

It is a super-2 number, since 2×23939814² = 1146229388709192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53697 + ... + 54140.

It is an arithmetic number, because the mean of its divisors is an integer number (3073383).

Almost surely, 2^23939814 is an apocalyptic number.

23939814 is an abundant number, since it is smaller than the sum of its proper divisors (25234314).

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

23939814 is a wasteful number, since it uses less digits than its factorization.

23939814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107879.

The product of its digits is 46656, while the sum is 39.

The square root of 23939814 is about 4892.8329217336. The cubic root of 23939814 is about 288.2085921332.

It can be divided in two parts, 23939 and 814, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 23939814 in words is "twenty-three million, nine hundred thirty-nine thousand, eight hundred fourteen".