8691960 has 64 divisors (see below), whose sum is σ = 26347680. Its totient is φ = 2293760.

The previous prime is 8691941. The next prime is 8691961. The reversal of 8691960 is 691968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8691961) 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, 13240 + ... + 13880.

Almost surely, 2^8691960 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 8691960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13173840).

8691960 is an abundant number, since it is smaller than the sum of its proper divisors (17655720).

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

8691960 is a wasteful number, since it uses less digits than its factorization.

8691960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 8691960 is about 2948.2130180840. The cubic root of 8691960 is about 205.6076359663.

The spelling of 8691960 in words is "eight million, six hundred ninety-one thousand, nine hundred sixty".