9251660 has 36 divisors (see below), whose sum is σ = 21360864. Its totient is φ = 3363360.

The previous prime is 9251659. The next prime is 9251663. The reversal of 9251660 is 661529.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9251663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509 + ... + 4331.

Almost surely, 2^9251660 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 9251660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10680432).

9251660 is an abundant number, since it is smaller than the sum of its proper divisors (12109204).

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

9251660 is a wasteful number, since it uses less digits than its factorization.

9251660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9251660 is about 3041.6541552254. The cubic root of 9251660 is about 209.9293791258.

The spelling of 9251660 in words is "nine million, two hundred fifty-one thousand, six hundred sixty".