8869872 has 80 divisors (see below), whose sum is σ = 25391232. Its totient is φ = 2645760.

The previous prime is 8869867. The next prime is 8869873. The reversal of 8869872 is 2789688.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8869873) 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 15 ways as a sum of consecutive naturals, for example, 56418 + ... + 56574.

Almost surely, 2^8869872 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 8869872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12695616).

8869872 is an abundant number, since it is smaller than the sum of its proper divisors (16521360).

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

8869872 is a wasteful number, since it uses less digits than its factorization.

8869872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 8869872 is about 2978.2330331927. The cubic root of 8869872 is about 207.0010035191.

The spelling of 8869872 in words is "eight million, eight hundred sixty-nine thousand, eight hundred seventy-two".