8917960 has 32 divisors (see below), whose sum is σ = 20253240. Its totient is φ = 3533824.

The previous prime is 8917949. The next prime is 8917963. The reversal of 8917960 is 697198.

It can be written as a sum of positive squares in 4 ways, for example, as 3090564 + 5827396 = 1758^2 + 2414^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8917963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3534 + ... + 5506.

Almost surely, 2^8917960 is an apocalyptic number.

It is an amenable number.

8917960 is an abundant number, since it is smaller than the sum of its proper divisors (11335280).

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

8917960 is a wasteful number, since it uses less digits than its factorization.

8917960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 8917960 is about 2986.2953638245. The cubic root of 8917960 is about 207.3744147414.

The spelling of 8917960 in words is "eight million, nine hundred seventeen thousand, nine hundred sixty".