285484918 has 16 divisors (see below), whose sum is σ = 451837440. Its totient is φ = 134908200.

The previous prime is 285484889. The next prime is 285484919. The reversal of 285484918 is 819484582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285484919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663 + ... + 25093.

It is an arithmetic number, because the mean of its divisors is an integer number (28239840).

Almost surely, 2^285484918 is an apocalyptic number.

285484918 is a deficient number, since it is larger than the sum of its proper divisors (166352522).

285484918 is a wasteful number, since it uses less digits than its factorization.

285484918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17883.

The product of its digits is 737280, while the sum is 49.

The square root of 285484918 is about 16896.2989438516. The cubic root of 285484918 is about 658.4574612852.

The spelling of 285484918 in words is "two hundred eighty-five million, four hundred eighty-four thousand, nine hundred eighteen".