8873220 has 48 divisors (see below), whose sum is σ = 25458048. Its totient is φ = 2307840.

The previous prime is 8873219. The next prime is 8873233. The reversal of 8873220 is 223788.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (530376).

Almost surely, 2^8873220 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 8873220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12729024).

8873220 is an abundant number, since it is smaller than the sum of its proper divisors (16584828).

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

8873220 is a wasteful number, since it uses less digits than its factorization.

8873220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3658 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8873220 is about 2978.7950584087. The cubic root of 8873220 is about 207.0270449389.

The spelling of 8873220 in words is "eight million, eight hundred seventy-three thousand, two hundred twenty".