985441 has 4 divisors (see below), whose sum is σ = 992772. Its totient is φ = 978112.

The previous prime is 985433. The next prime is 985447. The reversal of 985441 is 144589.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 279841 + 705600 = 529^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 985441 - 2³ = 985433 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 10.

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, 3460 + ... + 3733.

It is an arithmetic number, because the mean of its divisors is an integer number (248193).

2⁹⁸⁵⁴⁴¹ is an apocalyptic number.

It is an amenable number.

985441 is a deficient number, since it is larger than the sum of its proper divisors (7331).

985441 is a wasteful number, since it uses less digits than its factorization.

985441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330.

The product of its digits is 5760, while the sum is 31.

The square root of 985441 is about 992.6938097923. The cubic root of 985441 is about 99.5123256029.

The spelling of 985441 in words is "nine hundred eighty-five thousand, four hundred forty-one".