9654660 has 96 divisors (see below), whose sum is σ = 31651200. Its totient is φ = 2436480.

The previous prime is 9654649. The next prime is 9654677. The reversal of 9654660 is 664569.

It is a happy number.

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

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9790 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (329700).

Almost surely, 2^9654660 is an apocalyptic number.

9654660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9654660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15825600).

9654660 is an abundant number, since it is smaller than the sum of its proper divisors (21996540).

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

9654660 is a wasteful number, since it uses less digits than its factorization.

9654660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 9654660 is about 3107.1948764118. The cubic root of 9654660 is about 212.9343181730.

It can be divided in two parts, 965 and 4660, that added together give a square (5625 = 75²).

The spelling of 9654660 in words is "nine million, six hundred fifty-four thousand, six hundred sixty".