23887028 has 24 divisors (see below), whose sum is σ = 48004320. Its totient is φ = 10285920.

The previous prime is 23887021. The next prime is 23887037. The reversal of 23887028 is 82078832.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 23886982 and 23887000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23887021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13451 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (2000180).

Almost surely, 2^23887028 is an apocalyptic number.

It is an amenable number.

23887028 is an abundant number, since it is smaller than the sum of its proper divisors (24117292).

23887028 is a wasteful number, since it uses less digits than its factorization.

23887028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28607 (or 28605 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 23887028 is about 4887.4357284777. The cubic root of 23887028 is about 287.9966081133.

The spelling of 23887028 in words is "twenty-three million, eight hundred eighty-seven thousand, twenty-eight".