8660740 has 24 divisors (see below), whose sum is σ = 19841472. Its totient is φ = 3149280.

The previous prime is 8660723. The next prime is 8660741. The reversal of 8660740 is 470668.

It is not an unprimeable number, because it can be changed into a prime (8660741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19464 + ... + 19903.

It is an arithmetic number, because the mean of its divisors is an integer number (826728).

Almost surely, 2^8660740 is an apocalyptic number.

It is an amenable number.

8660740 is an abundant number, since it is smaller than the sum of its proper divisors (11180732).

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

8660740 is a wasteful number, since it uses less digits than its factorization.

8660740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39387 (or 39385 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 8660740 is about 2942.9135223448. The cubic root of 8660740 is about 205.3611717564.

The spelling of 8660740 in words is "eight million, six hundred sixty thousand, seven hundred forty".