285438041 has 16 divisors (see below), whose sum is σ = 349297920. Its totient is φ = 227673600.

The previous prime is 285438001. The next prime is 285438053. The reversal of 285438041 is 140834582.

It is not a de Polignac number, because 285438041 - 2¹⁰ = 285437017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285437992 and 285438010.

It is not an unprimeable number, because it can be changed into a prime (285438001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2885 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (21831120).

Almost surely, 2^285438041 is an apocalyptic number.

It is an amenable number.

285438041 is a deficient number, since it is larger than the sum of its proper divisors (63859879).

285438041 is a wasteful number, since it uses less digits than its factorization.

285438041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27064.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 285438041 is about 16894.9116896183. The cubic root of 285438041 is about 658.4214194513.

The spelling of 285438041 in words is "two hundred eighty-five million, four hundred thirty-eight thousand, forty-one".