285563214 has 24 divisors (see below), whose sum is σ = 624400920. Its totient is φ = 94313808.

The previous prime is 285563189. The next prime is 285563231. The reversal of 285563214 is 412365582.

285563214 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 632 + 14 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70812 + ... + 74735.

It is an arithmetic number, because the mean of its divisors is an integer number (26016705).

Almost surely, 2^285563214 is an apocalyptic number.

285563214 is an abundant number, since it is smaller than the sum of its proper divisors (338837706).

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

285563214 is a wasteful number, since it uses less digits than its factorization.

285563214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145664 (or 145661 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 285563214 is about 16898.6157421252. The cubic root of 285563214 is about 658.5176511234.

The spelling of 285563214 in words is "two hundred eighty-five million, five hundred sixty-three thousand, two hundred fourteen".