8661708 has 96 divisors (see below), whose sum is σ = 25643520. Its totient is φ = 2502720.

The previous prime is 8661707. The next prime is 8661727. The reversal of 8661708 is 8071668.

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

It is not an unprimeable number, because it can be changed into a prime (8661703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27166 + ... + 27482.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

Almost surely, 2^8661708 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 8661708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12821760).

8661708 is an abundant number, since it is smaller than the sum of its proper divisors (16981812).

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

8661708 is a wasteful number, since it uses less digits than its factorization.

8661708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8661708 is about 2943.0779806183. The cubic root of 8661708 is about 205.3688224579.

The spelling of 8661708 in words is "eight million, six hundred sixty-one thousand, seven hundred eight".