285672 has 16 divisors (see below), whose sum is σ = 714240. Its totient is φ = 95216.

The previous prime is 285667. The next prime is 285673. The reversal of 285672 is 276582.

It is a d-powerful number, because it can be written as 2 + 8³ + 6⁷ + 5⁵ + 7² + 2¹¹ .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (285673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5928 + ... + 5975.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2²⁸⁵⁶⁷² is an apocalyptic number.

It is an amenable number.

285672 is an abundant number, since it is smaller than the sum of its proper divisors (428568).

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

285672 is a wasteful number, since it uses less digits than its factorization.

285672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11912 (or 11908 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 285672 is about 534.4829276974. The cubic root of 285672 is about 65.8601261807.

The spelling of 285672 in words is "two hundred eighty-five thousand, six hundred seventy-two".