285354500 has 48 divisors (see below), whose sum is σ = 626593968. Its totient is φ = 113523200.

The previous prime is 285354499. The next prime is 285354527. The reversal of 285354500 is 5453582.

It can be written as a sum of positive squares in 8 ways, for example, as 66846976 + 218507524 = 8176^2 + 14782^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97052 + ... + 99948.

It is an arithmetic number, because the mean of its divisors is an integer number (13054041).

Almost surely, 2^285354500 is an apocalyptic number.

285354500 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 285354500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313296984).

285354500 is an abundant number, since it is smaller than the sum of its proper divisors (341239468).

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

285354500 is a wasteful number, since it uses less digits than its factorization.

285354500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 285354500 is about 16892.4391370814. The cubic root of 285354500 is about 658.3571783633.

The spelling of 285354500 in words is "two hundred eighty-five million, three hundred fifty-four thousand, five hundred".