285825276 has 72 divisors (see below), whose sum is σ = 815396400. Its totient is φ = 83623680.

The previous prime is 285825263. The next prime is 285825307. The reversal of 285825276 is 672528582.

285825276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 961 + ... + 23928.

It is an arithmetic number, because the mean of its divisors is an integer number (11324950).

Almost surely, 2^285825276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285825276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407698200).

285825276 is an abundant number, since it is smaller than the sum of its proper divisors (529571124).

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

285825276 is a wasteful number, since it uses less digits than its factorization.

285825276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24939 (or 24934 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 285825276 is about 16906.3679127127. The cubic root of 285825276 is about 658.7190305741.

The spelling of 285825276 in words is "two hundred eighty-five million, eight hundred twenty-five thousand, two hundred seventy-six".