285482643 has 8 divisors (see below), whose sum is σ = 380961168. Its totient is φ = 190162944.

The previous prime is 285482611. The next prime is 285482669. The reversal of 285482643 is 346284582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285482643 - 2⁵ = 285482611 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 285482595 and 285482604.

It is not an unprimeable number, because it can be changed into a prime (285481643) 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 7 ways as a sum of consecutive naturals, for example, 35446 + ... + 42747.

It is an arithmetic number, because the mean of its divisors is an integer number (47620146).

Almost surely, 2^285482643 is an apocalyptic number.

285482643 is a deficient number, since it is larger than the sum of its proper divisors (95478525).

285482643 is a wasteful number, since it uses less digits than its factorization.

285482643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79413.

The product of its digits is 368640, while the sum is 42.

The square root of 285482643 is about 16896.2316212817. The cubic root of 285482643 is about 658.4557122206.

The spelling of 285482643 in words is "two hundred eighty-five million, four hundred eighty-two thousand, six hundred forty-three".