9864995 has 8 divisors (see below), whose sum is σ = 13529184. Its totient is φ = 6764544.

The previous prime is 9864989. The next prime is 9865007. The reversal of 9864995 is 5994689.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9864995 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140894 + ... + 140963.

It is an arithmetic number, because the mean of its divisors is an integer number (1691148).

Almost surely, 2^9864995 is an apocalyptic number.

9864995 is a deficient number, since it is larger than the sum of its proper divisors (3664189).

9864995 is a wasteful number, since it uses less digits than its factorization.

9864995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281869.

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

The square root of 9864995 is about 3140.8589589474. The cubic root of 9864995 is about 214.4695414104.

The spelling of 9864995 in words is "nine million, eight hundred sixty-four thousand, nine hundred ninety-five".