285820060 has 12 divisors (see below), whose sum is σ = 600222168. Its totient is φ = 114328016.

The previous prime is 285820009. The next prime is 285820063. The reversal of 285820060 is 60028582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285820063) 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, 7145482 + ... + 7145521.

It is an arithmetic number, because the mean of its divisors is an integer number (50018514).

Almost surely, 2^285820060 is an apocalyptic number.

285820060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285820060 is an abundant number, since it is smaller than the sum of its proper divisors (314402108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285820060 is a wasteful number, since it uses less digits than its factorization.

285820060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291012 (or 14291010 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 285820060 is about 16906.2136506079. The cubic root of 285820060 is about 658.7150235814.

The spelling of 285820060 in words is "two hundred eighty-five million, eight hundred twenty thousand, sixty".