9889261 has 8 divisors (see below), whose sum is σ = 10329120. Its totient is φ = 9456048.

The previous prime is 9889207. The next prime is 9889283. The reversal of 9889261 is 1629889.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9889261 - 2¹⁵ = 9856493 is a prime.

It is a super-2 number, since 2×9889261² = 195594966252242, which contains 22 as substring.

It is a Duffinian number.

9889261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9839261) 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, 1510 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (1291140).

Almost surely, 2^9889261 is an apocalyptic number.

It is an amenable number.

9889261 is a deficient number, since it is larger than the sum of its proper divisors (439859).

9889261 is a wasteful number, since it uses less digits than its factorization.

9889261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323.

The product of its digits is 62208, while the sum is 43.

The square root of 9889261 is about 3144.7195423440. The cubic root of 9889261 is about 214.6452487644.

The spelling of 9889261 in words is "nine million, eight hundred eighty-nine thousand, two hundred sixty-one".