285086704 has 60 divisors (see below), whose sum is σ = 664745400. Its totient is φ = 117957504.

The previous prime is 285086699. The next prime is 285086707. The reversal of 285086704 is 407680582.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285086707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16467 + ... + 29005.

It is an arithmetic number, because the mean of its divisors is an integer number (11079090).

Almost surely, 2^285086704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285086704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332372700).

285086704 is an abundant number, since it is smaller than the sum of its proper divisors (379658696).

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

285086704 is a wasteful number, since it uses less digits than its factorization.

285086704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590 (or 12577 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 285086704 is about 16884.5107717103. The cubic root of 285086704 is about 658.1511649075.

The spelling of 285086704 in words is "two hundred eighty-five million, eighty-six thousand, seven hundred four".