8636740 has 48 divisors (see below), whose sum is σ = 21168000. Its totient is φ = 2958816.

The previous prime is 8636737. The next prime is 8636741. The reversal of 8636740 is 476368.

It is a junction number, because it is equal to n+sod(n) for n = 8636696 and 8636705.

It is not an unprimeable number, because it can be changed into a prime (8636741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6231 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^8636740 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 8636740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10584000).

8636740 is an abundant number, since it is smaller than the sum of its proper divisors (12531260).

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

8636740 is a wasteful number, since it uses less digits than its factorization.

8636740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 8636740 is about 2938.8331017599. The cubic root of 8636740 is about 205.1713023843.

The spelling of 8636740 in words is "eight million, six hundred thirty-six thousand, seven hundred forty".