285841441 has 4 divisors (see below), whose sum is σ = 286042900. Its totient is φ = 285639984.

The previous prime is 285841433. The next prime is 285841471. The reversal of 285841441 is 144148582.

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 101425041 + 184416400 = 10071^2 + 13580^2 .

It is a cyclic number.

It is not a de Polignac number, because 285841441 - 2³ = 285841433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285841441.

It is not an unprimeable number, because it can be changed into a prime (285841471) 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, 98586 + ... + 101443.

It is an arithmetic number, because the mean of its divisors is an integer number (71510725).

Almost surely, 2^285841441 is an apocalyptic number.

It is an amenable number.

285841441 is a deficient number, since it is larger than the sum of its proper divisors (201459).

285841441 is a wasteful number, since it uses less digits than its factorization.

285841441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201458.

The product of its digits is 40960, while the sum is 37.

The square root of 285841441 is about 16906.8459802531. The cubic root of 285841441 is about 658.7314484080.

The spelling of 285841441 in words is "two hundred eighty-five million, eight hundred forty-one thousand, four hundred forty-one".