9866260 has 12 divisors (see below), whose sum is σ = 20719188. Its totient is φ = 3946496.

The previous prime is 9866243. The next prime is 9866261. The reversal of 9866260 is 626689.

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 4857616 = 2238^2 + 2204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246637 + ... + 246676.

It is an arithmetic number, because the mean of its divisors is an integer number (1726599).

Almost surely, 2^9866260 is an apocalyptic number.

It is an amenable number.

9866260 is an abundant number, since it is smaller than the sum of its proper divisors (10852928).

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

9866260 is a wasteful number, since it uses less digits than its factorization.

9866260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493322 (or 493320 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 9866260 is about 3141.0603305253. The cubic root of 9866260 is about 214.4787082464.

The spelling of 9866260 in words is "nine million, eight hundred sixty-six thousand, two hundred sixty".