985445 has 4 divisors (see below), whose sum is σ = 1182540. Its totient is φ = 788352.

The previous prime is 985433. The next prime is 985447. The reversal of 985445 is 544589.

985445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544589 = 47 ⋅11587.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 574564 = 641^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 985445 - 2¹⁰ = 984421 is a prime.

It is a super-2 number, since 2×985445² = 1942203696050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985447) 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, 98540 + ... + 98549.

It is an arithmetic number, because the mean of its divisors is an integer number (295635).

2⁹⁸⁵⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

985445 is a deficient number, since it is larger than the sum of its proper divisors (197095).

985445 is a wasteful number, since it uses less digits than its factorization.

985445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197094.

The product of its digits is 28800, while the sum is 35.

The square root of 985445 is about 992.6958245102. The cubic root of 985445 is about 99.5124602461.

The spelling of 985445 in words is "nine hundred eighty-five thousand, four hundred forty-five".