17982853 has 6 divisors (see below), whose sum is σ = 20918886. Its totient is φ = 15413832.

The previous prime is 17982827. The next prime is 17982857. The reversal of 17982853 is 35828971.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 693889 = 4158^2 + 833^2 .

It is not a de Polignac number, because 17982853 - 2¹⁷ = 17851781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17982857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183450 + ... + 183547.

It is an arithmetic number, because the mean of its divisors is an integer number (3486481).

Almost surely, 2^17982853 is an apocalyptic number.

It is an amenable number.

17982853 is a deficient number, since it is larger than the sum of its proper divisors (2936033).

17982853 is an equidigital number, since it uses as much as digits as its factorization.

17982853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367011 (or 367004 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 17982853 is about 4240.6194123029. The cubic root of 17982853 is about 261.9908947363.

The spelling of 17982853 in words is "seventeen million, nine hundred eighty-two thousand, eight hundred fifty-three".