9864099 has 28 divisors (see below), whose sum is σ = 16910896. Its totient is φ = 5633712.

The previous prime is 9864091. The next prime is 9864119. The reversal of 9864099 is 9904689.

It is not a de Polignac number, because 9864099 - 2³ = 9864091 is a prime.

It is a Duffinian number.

9864099 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9864091) 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 27 ways as a sum of consecutive naturals, for example, 4137 + ... + 6069.

Almost surely, 2^9864099 is an apocalyptic number.

9864099 is a deficient number, since it is larger than the sum of its proper divisors (7046797).

9864099 is an equidigital number, since it uses as much as digits as its factorization.

9864099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9864099 is about 3140.7163195679. The cubic root of 9864099 is about 214.4630480627.

The spelling of 9864099 in words is "nine million, eight hundred sixty-four thousand, ninety-nine".