8845812 has 72 divisors (see below), whose sum is σ = 23860200. Its totient is φ = 2757888.

The previous prime is 8845789. The next prime is 8845813. The reversal of 8845812 is 2185488.

It can be written as a sum of positive squares in 4 ways, for example, as 5363856 + 3481956 = 2316^2 + 1866^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8845813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38514 + ... + 38742.

Almost surely, 2^8845812 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 8845812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11930100).

8845812 is an abundant number, since it is smaller than the sum of its proper divisors (15014388).

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

8845812 is a wasteful number, since it uses less digits than its factorization.

8845812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8845812 is about 2974.1909824354. The cubic root of 8845812 is about 206.8136669494.

The spelling of 8845812 in words is "eight million, eight hundred forty-five thousand, eight hundred twelve".