8499660 has 96 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 1966080.

The previous prime is 8499653. The next prime is 8499661. The reversal of 8499660 is 669948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499661) 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, 12940 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (283122).

Almost surely, 2^8499660 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 8499660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589856).

8499660 is an abundant number, since it is smaller than the sum of its proper divisors (18680052).

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

8499660 is a wasteful number, since it uses less digits than its factorization.

8499660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 8499660 is about 2915.4176373206. The cubic root of 8499660 is about 204.0800339562.

The spelling of 8499660 in words is "eight million, four hundred ninety-nine thousand, six hundred sixty".