285234000 has 160 divisors (see below), whose sum is σ = 928976256. Its totient is φ = 75289600.

The previous prime is 285233983. The next prime is 285234031. The reversal of 285234000 is 432582.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821827 + ... + 822173.

Almost surely, 2^285234000 is an apocalyptic number.

285234000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285234000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464488128).

285234000 is an abundant number, since it is smaller than the sum of its proper divisors (643742256).

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

285234000 is a wasteful number, since it uses less digits than its factorization.

285234000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 285234000 is about 16888.8720760150. The cubic root of 285234000 is about 658.2644945736.

Adding to 285234000 its reverse (432582), we get a palindrome (285666582).

It can be divided in two parts, 28523 and 4000, that added together give a palindrome (32523).

The spelling of 285234000 in words is "two hundred eighty-five million, two hundred thirty-four thousand".