285029235 has 24 divisors (see below), whose sum is σ = 500310720. Its totient is φ = 150089472.

The previous prime is 285029231. The next prime is 285029243. The reversal of 285029235 is 532920582.

It is not a de Polignac number, because 285029235 - 2² = 285029231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285029235.

It is not an unprimeable number, because it can be changed into a prime (285029231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36534 + ... + 43643.

It is an arithmetic number, because the mean of its divisors is an integer number (20846280).

Almost surely, 2^285029235 is an apocalyptic number.

285029235 is a deficient number, since it is larger than the sum of its proper divisors (215281485).

285029235 is a wasteful number, since it uses less digits than its factorization.

285029235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80267 (or 80264 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 285029235 is about 16882.8088599024. The cubic root of 285029235 is about 658.1069376244.

The spelling of 285029235 in words is "two hundred eighty-five million, twenty-nine thousand, two hundred thirty-five".