9399864 has 16 divisors (see below), whose sum is σ = 23499720. Its totient is φ = 3133280.

The previous prime is 9399829. The next prime is 9399869. The reversal of 9399864 is 4689939.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9399869) 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 3 ways as a sum of consecutive naturals, for example, 195807 + ... + 195854.

Almost surely, 2^9399864 is an apocalyptic number.

It is an amenable number.

9399864 is an abundant number, since it is smaller than the sum of its proper divisors (14099856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9399864 is a wasteful number, since it uses less digits than its factorization.

9399864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391670 (or 391666 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 9399864 is about 3065.9197641165. The cubic root of 9399864 is about 211.0444116364.

The spelling of 9399864 in words is "nine million, three hundred ninety-nine thousand, eight hundred sixty-four".