8858864 has 80 divisors (see below), whose sum is σ = 21665280. Its totient is φ = 3421440.

The previous prime is 8858821. The next prime is 8858881. The reversal of 8858864 is 4688588.

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 15 ways as a sum of consecutive naturals, for example, 48854 + ... + 49034.

It is an arithmetic number, because the mean of its divisors is an integer number (270816).

Almost surely, 2^8858864 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 8858864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10832640).

8858864 is an abundant number, since it is smaller than the sum of its proper divisors (12806416).

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

8858864 is a wasteful number, since it uses less digits than its factorization.

8858864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its digits is 491520, while the sum is 47.

The square root of 8858864 is about 2976.3843837784. The cubic root of 8858864 is about 206.9153348516.

The spelling of 8858864 in words is "eight million, eight hundred fifty-eight thousand, eight hundred sixty-four".