9885943 has 4 divisors (see below), whose sum is σ = 9892480. Its totient is φ = 9879408.

The previous prime is 9885913. The next prime is 9885979. The reversal of 9885943 is 3495889.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9885943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9885893 and 9885902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 4456.

It is an arithmetic number, because the mean of its divisors is an integer number (2473120).

Almost surely, 2^9885943 is an apocalyptic number.

9885943 is a deficient number, since it is larger than the sum of its proper divisors (6537).

9885943 is a wasteful number, since it uses less digits than its factorization.

9885943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536.

The product of its digits is 311040, while the sum is 46.

The square root of 9885943 is about 3144.1919470668. The cubic root of 9885943 is about 214.6212404790.

The spelling of 9885943 in words is "nine million, eight hundred eighty-five thousand, nine hundred forty-three".