9865967 has 16 divisors (see below), whose sum is σ = 10950912. Its totient is φ = 8847360.

The previous prime is 9865949. The next prime is 9865979. The reversal of 9865967 is 7695689.

It is a cyclic number.

It is not a de Polignac number, because 9865967 - 2⁶ = 9865903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9865907) 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, 51023 + ... + 51215.

It is an arithmetic number, because the mean of its divisors is an integer number (684432).

Almost surely, 2^9865967 is an apocalyptic number.

9865967 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

9865967 is a deficient number, since it is larger than the sum of its proper divisors (1084945).

9865967 is a wasteful number, since it uses less digits than its factorization.

9865967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its digits is 816480, while the sum is 50.

The square root of 9865967 is about 3141.0136898778. The cubic root of 9865967 is about 214.4765850885.

The spelling of 9865967 in words is "nine million, eight hundred sixty-five thousand, nine hundred sixty-seven".