8628885 has 24 divisors (see below), whose sum is σ = 15027480. Its totient is φ = 4580352.

The previous prime is 8628883. The next prime is 8628889. The reversal of 8628885 is 5888268.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 8625969 = 54^2 + 2937^2 .

It is not a de Polignac number, because 8628885 - 2¹ = 8628883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8628885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8628883) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14881 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (626145).

Almost surely, 2^8628885 is an apocalyptic number.

It is an amenable number.

8628885 is a deficient number, since it is larger than the sum of its proper divisors (6398595).

8628885 is a wasteful number, since it uses less digits than its factorization.

8628885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 8628885 is about 2937.4963829765. The cubic root of 8628885 is about 205.1090833291.

The spelling of 8628885 in words is "eight million, six hundred twenty-eight thousand, eight hundred eighty-five".