985545 has 36 divisors (see below), whose sum is σ = 1888068. Its totient is φ = 475200.

The previous prime is 985531. The next prime is 985547. The reversal of 985545 is 545589.

It is a happy number.

985545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131769 + 853776 = 363^2 + 924^2 .

It is not a de Polignac number, because 985545 - 2⁴ = 985529 is a prime.

Its product of digits (36000) is a multiple of the sum of its prime divisors (200).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985547) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5355 + ... + 5535.

2⁹⁸⁵⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

985545 is a deficient number, since it is larger than the sum of its proper divisors (902523).

985545 is a wasteful number, since it uses less digits than its factorization.

985545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 200 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 985545 is about 992.7461911284. The cubic root of 985545 is about 99.5158262075.

The spelling of 985545 in words is "nine hundred eighty-five thousand, five hundred forty-five".