9989265 has 32 divisors (see below), whose sum is σ = 18781056. Its totient is φ = 4469760.

The previous prime is 9989261. The next prime is 9989267. The reversal of 9989265 is 5629899.

It is not a de Polignac number, because 9989265 - 2² = 9989261 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9989261) 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, 184 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (586908).

Almost surely, 2^9989265 is an apocalyptic number.

It is an amenable number.

9989265 is a deficient number, since it is larger than the sum of its proper divisors (8791791).

9989265 is a wasteful number, since it uses less digits than its factorization.

9989265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689.

The product of its digits is 349920, while the sum is 48.

The square root of 9989265 is about 3160.5798518626. The cubic root of 9989265 is about 215.3663485457.

The spelling of 9989265 in words is "nine million, nine hundred eighty-nine thousand, two hundred sixty-five".