285339060 has 144 divisors (see below), whose sum is σ = 891596160. Its totient is φ = 73839360.

The previous prime is 285339053. The next prime is 285339071. The reversal of 285339060 is 60933582.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1060606 + ... + 1060874.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^285339060 is an apocalyptic number.

285339060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285339060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445798080).

285339060 is an abundant number, since it is smaller than the sum of its proper divisors (606257100).

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

285339060 is a wasteful number, since it uses less digits than its factorization.

285339060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 285339060 is about 16891.9821217050. The cubic root of 285339060 is about 658.3453039893.

The spelling of 285339060 in words is "two hundred eighty-five million, three hundred thirty-nine thousand, sixty".