9726965 has 4 divisors (see below), whose sum is σ = 11672364. Its totient is φ = 7781568.

The previous prime is 9726961. The next prime is 9726971. The reversal of 9726965 is 5696279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3290596 + 6436369 = 1814^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 9726965 - 2² = 9726961 is a prime.

It is a super-2 number, since 2×9726965² = 189227696222450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9726961) 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, 972692 + ... + 972701.

It is an arithmetic number, because the mean of its divisors is an integer number (2918091).

Almost surely, 2^9726965 is an apocalyptic number.

It is an amenable number.

9726965 is a deficient number, since it is larger than the sum of its proper divisors (1945399).

9726965 is a wasteful number, since it uses less digits than its factorization.

9726965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945398.

The product of its digits is 204120, while the sum is 44.

The square root of 9726965 is about 3118.8082659888. The cubic root of 9726965 is about 213.4645609173.

The spelling of 9726965 in words is "nine million, seven hundred twenty-six thousand, nine hundred sixty-five".