8813556 has 48 divisors (see below), whose sum is σ = 23161600. Its totient is φ = 2897856.

The previous prime is 8813543. The next prime is 8813557. The reversal of 8813556 is 6553188.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8813556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8813557) 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, 8016 + ... + 9048.

Almost surely, 2^8813556 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 8813556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11580800).

8813556 is an abundant number, since it is smaller than the sum of its proper divisors (14348044).

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

8813556 is a wasteful number, since it uses less digits than its factorization.

8813556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1117 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 8813556 is about 2968.7633789172. The cubic root of 8813556 is about 206.5619807420.

The spelling of 8813556 in words is "eight million, eight hundred thirteen thousand, five hundred fifty-six".