285166488 has 32 divisors (see below), whose sum is σ = 713540160. Its totient is φ = 94972320.

The previous prime is 285166487. The next prime is 285166493. The reversal of 285166488 is 884661582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285166487) 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, 26823 + ... + 35913.

It is an arithmetic number, because the mean of its divisors is an integer number (22298130).

Almost surely, 2^285166488 is an apocalyptic number.

It is an amenable number.

285166488 is an abundant number, since it is smaller than the sum of its proper divisors (428373672).

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

285166488 is a wasteful number, since it uses less digits than its factorization.

285166488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407 (or 10403 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 285166488 is about 16886.8732452162. The cubic root of 285166488 is about 658.2125556284.

The spelling of 285166488 in words is "two hundred eighty-five million, one hundred sixty-six thousand, four hundred eighty-eight".