8689736 has 48 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 3845600.

The previous prime is 8689729. The next prime is 8689753. The reversal of 8689736 is 6379868.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45401 + ... + 45591.

It is an arithmetic number, because the mean of its divisors is an integer number (383040).

Almost surely, 2^8689736 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 8689736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

8689736 is an abundant number, since it is smaller than the sum of its proper divisors (9696184).

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

8689736 is a wasteful number, since it uses less digits than its factorization.

8689736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 251 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 8689736 is about 2947.8358163236. The cubic root of 8689736 is about 205.5900982882.

The spelling of 8689736 in words is "eight million, six hundred eighty-nine thousand, seven hundred thirty-six".