9867646 has 16 divisors (see below), whose sum is σ = 15220224. Its totient is φ = 4796064.

The previous prime is 9867643. The next prime is 9867659. The reversal of 9867646 is 6467689.

It is a junction number, because it is equal to n+sod(n) for n = 9867596 and 9867605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9867643) 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, 13096 + ... + 13828.

It is an arithmetic number, because the mean of its divisors is an integer number (951264).

Almost surely, 2^9867646 is an apocalyptic number.

9867646 is a deficient number, since it is larger than the sum of its proper divisors (5352578).

9867646 is a wasteful number, since it uses less digits than its factorization.

9867646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915.

The product of its digits is 435456, while the sum is 46.

The square root of 9867646 is about 3141.2809489124. The cubic root of 9867646 is about 214.4887510107.

The spelling of 9867646 in words is "nine million, eight hundred sixty-seven thousand, six hundred forty-six".