285251466 has 16 divisors (see below), whose sum is σ = 604062144. Its totient is φ = 89490624.

The previous prime is 285251441. The next prime is 285251471. The reversal of 285251466 is 664152582.

285251466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398190 + ... + 1398393.

It is an arithmetic number, because the mean of its divisors is an integer number (37753884).

Almost surely, 2^285251466 is an apocalyptic number.

285251466 is an abundant number, since it is smaller than the sum of its proper divisors (318810678).

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

285251466 is a wasteful number, since it uses less digits than its factorization.

285251466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796605.

The product of its digits is 115200, while the sum is 39.

The square root of 285251466 is about 16889.3891541405. The cubic root of 285251466 is about 658.2779303409.

The spelling of 285251466 in words is "two hundred eighty-five million, two hundred fifty-one thousand, four hundred sixty-six".