8909244 has 24 divisors (see below), whose sum is σ = 23098320. Its totient is φ = 2969712.

The previous prime is 8909239. The next prime is 8909249. The reversal of 8909244 is 4429098.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8909239) and next prime (8909249).

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

It is a junction number, because it is equal to n+sod(n) for n = 8909199 and 8909208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8909249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41139 + ... + 41354.

It is an arithmetic number, because the mean of its divisors is an integer number (962430).

Almost surely, 2^8909244 is an apocalyptic number.

It is an amenable number.

8909244 is an abundant number, since it is smaller than the sum of its proper divisors (14189076).

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

8909244 is a wasteful number, since it uses less digits than its factorization.

8909244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82506 (or 82498 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8909244 is about 2984.8356738688. The cubic root of 8909244 is about 207.3068333451.

The spelling of 8909244 in words is "eight million, nine hundred nine thousand, two hundred forty-four".