285730300 has 18 divisors (see below), whose sum is σ = 620034968. Its totient is φ = 114292080.

The previous prime is 285730273. The next prime is 285730307. The reversal of 285730300 is 3037582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285730307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428552 + ... + 1428751.

Almost surely, 2^285730300 is an apocalyptic number.

285730300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285730300 is an abundant number, since it is smaller than the sum of its proper divisors (334304668).

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

285730300 is a wasteful number, since it uses less digits than its factorization.

285730300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857317 (or 2857310 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 285730300 is about 16903.5587968924. The cubic root of 285730300 is about 658.6460612525.

Adding to 285730300 its reverse (3037582), we get a palindrome (288767882).

The spelling of 285730300 in words is "two hundred eighty-five million, seven hundred thirty thousand, three hundred".