9856965 has 8 divisors (see below), whose sum is σ = 15771168. Its totient is φ = 5257040.

The previous prime is 9856963. The next prime is 9857009. The reversal of 9856965 is 5696589.

9856965 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9856965 - 2¹ = 9856963 is a prime.

It is a super-2 number, since 2×9856965² = 194319518022450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9856963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328551 + ... + 328580.

It is an arithmetic number, because the mean of its divisors is an integer number (1971396).

Almost surely, 2^9856965 is an apocalyptic number.

It is an amenable number.

9856965 is a deficient number, since it is larger than the sum of its proper divisors (5914203).

9856965 is a wasteful number, since it uses less digits than its factorization.

9856965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657139.

The product of its digits is 583200, while the sum is 48.

The square root of 9856965 is about 3139.5803859752. The cubic root of 9856965 is about 214.4113336462.

Adding to 9856965 its product of digits (583200), we get a triangular number (10440165 = T₄₅₆₉).

The spelling of 9856965 in words is "nine million, eight hundred fifty-six thousand, nine hundred sixty-five".