23789864 has 16 divisors (see below), whose sum is σ = 50978400. Its totient is φ = 10195632.

The previous prime is 23789861. The next prime is 23789867. The reversal of 23789864 is 46898732.

It is an interprime number because it is at equal distance from previous prime (23789861) and next prime (23789867).

It is not an unprimeable number, because it can be changed into a prime (23789861) 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, 212354 + ... + 212465.

It is an arithmetic number, because the mean of its divisors is an integer number (3186150).

Almost surely, 2^23789864 is an apocalyptic number.

It is an amenable number.

23789864 is an abundant number, since it is smaller than the sum of its proper divisors (27188536).

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

23789864 is a wasteful number, since it uses less digits than its factorization.

23789864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424832 (or 424828 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 23789864 is about 4877.4854177127. The cubic root of 23789864 is about 287.6055879339.

The spelling of 23789864 in words is "twenty-three million, seven hundred eighty-nine thousand, eight hundred sixty-four".