8689044 has 96 divisors (see below), whose sum is σ = 25527040. Its totient is φ = 2239488.

The previous prime is 8689039. The next prime is 8689063. The reversal of 8689044 is 4409868.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 8688993 and 8689011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79662 + ... + 79770.

Almost surely, 2^8689044 is an apocalyptic number.

8689044 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8689044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12763520).

8689044 is an abundant number, since it is smaller than the sum of its proper divisors (16837996).

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

8689044 is a wasteful number, since it uses less digits than its factorization.

8689044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8689044 is about 2947.7184397428. The cubic root of 8689044 is about 205.5846408104.

The spelling of 8689044 in words is "eight million, six hundred eighty-nine thousand, forty-four".