8825621 has 16 divisors (see below), whose sum is σ = 10454400. Its totient is φ = 7293888.

The previous prime is 8825617. The next prime is 8825623. The reversal of 8825621 is 1265288.

It is not a de Polignac number, because 8825621 - 2² = 8825617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8825623) 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 15 ways as a sum of consecutive naturals, for example, 32675 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (653400).

Almost surely, 2^8825621 is an apocalyptic number.

It is an amenable number.

8825621 is a deficient number, since it is larger than the sum of its proper divisors (1628779).

8825621 is a wasteful number, since it uses less digits than its factorization.

8825621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 7680, while the sum is 32.

The square root of 8825621 is about 2970.7946748303. The cubic root of 8825621 is about 206.6561929598.

The spelling of 8825621 in words is "eight million, eight hundred twenty-five thousand, six hundred twenty-one".