9855573 has 24 divisors (see below), whose sum is σ = 16267968. Its totient is φ = 5196672.

The previous prime is 9855553. The next prime is 9855577. The reversal of 9855573 is 3755589.

It is not a de Polignac number, because 9855573 - 2⁵ = 9855541 is a prime.

It is a Curzon number.

9855573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855577) 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 23 ways as a sum of consecutive naturals, for example, 2161 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (677832).

Almost surely, 2^9855573 is an apocalyptic number.

It is an amenable number.

9855573 is a deficient number, since it is larger than the sum of its proper divisors (6412395).

9855573 is a wasteful number, since it uses less digits than its factorization.

9855573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2800 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 9855573 is about 3139.3586924721. The cubic root of 9855573 is about 214.4012401192.

The spelling of 9855573 in words is "nine million, eight hundred fifty-five thousand, five hundred seventy-three".