9864673 has 16 divisors (see below), whose sum is σ = 12428416. Its totient is φ = 7620480.

The previous prime is 9864653. The next prime is 9864683. The reversal of 9864673 is 3764689.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9864673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a d-powerful number, because it can be written as 9⁷ + 8 + 6 + 4⁷ + 6⁷ + 7⁴ + 3¹⁴ .

It is not an unprimeable number, because it can be changed into a prime (9864643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2653 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (776776).

Almost surely, 2^9864673 is an apocalyptic number.

It is an amenable number.

9864673 is a deficient number, since it is larger than the sum of its proper divisors (2563743).

9864673 is a wasteful number, since it uses less digits than its factorization.

9864673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its digits is 217728, while the sum is 43.

The square root of 9864673 is about 3140.8076986661. The cubic root of 9864673 is about 214.4672079089.

The spelling of 9864673 in words is "nine million, eight hundred sixty-four thousand, six hundred seventy-three".