285919068 has 24 divisors (see below), whose sum is σ = 702257920. Its totient is φ = 90290160.

The previous prime is 285919063. The next prime is 285919097. The reversal of 285919068 is 860919582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285919063) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 626788 + ... + 627243.

Almost surely, 2^285919068 is an apocalyptic number.

It is an amenable number.

285919068 is an abundant number, since it is smaller than the sum of its proper divisors (416338852).

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

285919068 is a wasteful number, since it uses less digits than its factorization.

285919068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254057 (or 1254055 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 285919068 is about 16909.1415512438. The cubic root of 285919068 is about 658.7910743760.

The spelling of 285919068 in words is "two hundred eighty-five million, nine hundred nineteen thousand, sixty-eight".