23926428 has 30 divisors (see below), whose sum is σ = 62549256. Its totient is φ = 7975368.

The previous prime is 23926423. The next prime is 23926433. The reversal of 23926428 is 82462932.

23926428 is a `hidden beast` number, since 2 + 3 + 9 + 2 + 642 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (23926423) and next prime (23926433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23926392 and 23926401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23926423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36600 + ... + 37247.

Almost surely, 2^23926428 is an apocalyptic number.

It is an amenable number.

23926428 is an abundant number, since it is smaller than the sum of its proper divisors (38622828).

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

23926428 is a wasteful number, since it uses less digits than its factorization.

23926428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73863 (or 73852 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 23926428 is about 4891.4648112810. The cubic root of 23926428 is about 288.1548646273.

The spelling of 23926428 in words is "twenty-three million, nine hundred twenty-six thousand, four hundred twenty-eight".