8622628 has 72 divisors (see below), whose sum is σ = 19104120. Its totient is φ = 3386880.

The previous prime is 8622611. The next prime is 8622683. The reversal of 8622628 is 8262268.

It can be written as a sum of positive squares in 4 ways, for example, as 1016064 + 7606564 = 1008^2 + 2758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8622593 and 8622602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210288 + ... + 210328.

It is an arithmetic number, because the mean of its divisors is an integer number (265335).

Almost surely, 2^8622628 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 8622628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552060).

8622628 is an abundant number, since it is smaller than the sum of its proper divisors (10481492).

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

8622628 is a wasteful number, since it uses less digits than its factorization.

8622628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 8622628 is about 2936.4311672505. The cubic root of 8622628 is about 205.0594949269.

The spelling of 8622628 in words is "eight million, six hundred twenty-two thousand, six hundred twenty-eight".