23686016 has 32 divisors (see below), whose sum is σ = 47464680. Its totient is φ = 11773440.

The previous prime is 23686001. The next prime is 23686051. The reversal of 23686016 is 61068632.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×23686016² = 1122054707904512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26570 + ... + 27446.

Almost surely, 2^23686016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23686016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23732340).

23686016 is an abundant number, since it is smaller than the sum of its proper divisors (23778664).

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

23686016 is an equidigital number, since it uses as much as digits as its factorization.

23686016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 23686016 is about 4866.8281251756. The cubic root of 23686016 is about 287.1864902618.

The spelling of 23686016 in words is "twenty-three million, six hundred eighty-six thousand, sixteen".