285499076 has 12 divisors (see below), whose sum is σ = 501201708. Its totient is φ = 142298592.

The previous prime is 285499061. The next prime is 285499079. The reversal of 285499076 is 670994582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53728900 + 231770176 = 7330^2 + 15224^2 .

It is not an unprimeable number, because it can be changed into a prime (285499079) 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 3 ways as a sum of consecutive naturals, for example, 111311 + ... + 113846.

It is an arithmetic number, because the mean of its divisors is an integer number (41766809).

Almost surely, 2^285499076 is an apocalyptic number.

It is an amenable number.

285499076 is a deficient number, since it is larger than the sum of its proper divisors (215702632).

285499076 is a wasteful number, since it uses less digits than its factorization.

285499076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225478 (or 225476 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 285499076 is about 16896.7179061497. The cubic root of 285499076 is about 658.4683460244.

The spelling of 285499076 in words is "two hundred eighty-five million, four hundred ninety-nine thousand, seventy-six".