9864959 has 16 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 8682240.

The previous prime is 9864949. The next prime is 9864983. The reversal of 9864959 is 9594689.

9864959 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9864959 - 2¹⁶ = 9799423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9864949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51554 + ... + 51744.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^9864959 is an apocalyptic number.

9864959 is a deficient number, since it is larger than the sum of its proper divisors (1263361).

9864959 is a wasteful number, since it uses less digits than its factorization.

9864959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370.

The product of its digits is 699840, while the sum is 50.

The square root of 9864959 is about 3140.8532280258. The cubic root of 9864959 is about 214.4692805246.

The spelling of 9864959 in words is "nine million, eight hundred sixty-four thousand, nine hundred fifty-nine".