8859864 has 64 divisors (see below), whose sum is σ = 24242400. Its totient is φ = 2681856.

The previous prime is 8859863. The next prime is 8859887. The reversal of 8859864 is 4689588.

Its product of digits (552960) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8859863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22582 + ... + 22970.

Almost surely, 2^8859864 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 8859864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12121200).

8859864 is an abundant number, since it is smaller than the sum of its proper divisors (15382536).

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

8859864 is a wasteful number, since it uses less digits than its factorization.

8859864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 8859864 is about 2976.5523680930. The cubic root of 8859864 is about 206.9231201820.

The spelling of 8859864 in words is "eight million, eight hundred fifty-nine thousand, eight hundred sixty-four".