9731965 has 16 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 7329280.

The previous prime is 9731947. The next prime is 9731977. The reversal of 9731965 is 5691379.

It can be written as a sum of positive squares in 8 ways, for example, as 3526884 + 6205081 = 1878^2 + 2491^2 .

It is not a de Polignac number, because 9731965 - 2¹¹ = 9729917 is a prime.

It is a super-2 number, since 2×9731965² = 189422285522450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5127 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (773955).

Almost surely, 2^9731965 is an apocalyptic number.

It is an amenable number.

9731965 is a deficient number, since it is larger than the sum of its proper divisors (2651315).

9731965 is a wasteful number, since it uses less digits than its factorization.

9731965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 51030, while the sum is 40.

The square root of 9731965 is about 3119.6097512349. The cubic root of 9731965 is about 213.5011307339.

The spelling of 9731965 in words is "nine million, seven hundred thirty-one thousand, nine hundred sixty-five".