23688416 has 24 divisors (see below), whose sum is σ = 47056464. Its totient is φ = 11737600.

The previous prime is 23688397. The next prime is 23688419. The reversal of 23688416 is 61488632.

It is a happy number.

It is a super-2 number, since 2×23688416² = 1122282105178112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23688416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23688419) 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, 341 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (1960686).

Almost surely, 2^23688416 is an apocalyptic number.

It is an amenable number.

23688416 is a deficient number, since it is larger than the sum of its proper divisors (23368048).

23688416 is a wasteful number, since it uses less digits than its factorization.

23688416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6666 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 23688416 is about 4867.0746860923. The cubic root of 23688416 is about 287.1961897162.

The spelling of 23688416 in words is "twenty-three million, six hundred eighty-eight thousand, four hundred sixteen".