23926656 has 64 divisors (see below), whose sum is σ = 68458320. Its totient is φ = 7360512.

The previous prime is 23926631. The next prime is 23926687. The reversal of 23926656 is 65662932.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (39).

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 7 ways as a sum of consecutive naturals, for example, 2596 + ... + 7388.

Almost surely, 2^23926656 is an apocalyptic number.

23926656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23926656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34229160).

23926656 is an abundant number, since it is smaller than the sum of its proper divisors (44531664).

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

23926656 is a wasteful number, since it uses less digits than its factorization.

23926656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823 (or 4811 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 23926656 is about 4891.4881171275. The cubic root of 23926656 is about 288.1557799206.

The spelling of 23926656 in words is "twenty-three million, nine hundred twenty-six thousand, six hundred fifty-six".