285116200 has 48 divisors (see below), whose sum is σ = 664020000. Its totient is φ = 113853120.

The previous prime is 285116141. The next prime is 285116243. The reversal of 285116200 is 2611582.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203101 + ... + 204499.

It is an arithmetic number, because the mean of its divisors is an integer number (13833750).

Almost surely, 2^285116200 is an apocalyptic number.

285116200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285116200 is an abundant number, since it is smaller than the sum of its proper divisors (378903800).

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

285116200 is a wasteful number, since it uses less digits than its factorization.

285116200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 285116200 is about 16885.3842123891. The cubic root of 285116200 is about 658.1738622799.

Adding to 285116200 its reverse (2611582), we get a palindrome (287727782).

The spelling of 285116200 in words is "two hundred eighty-five million, one hundred sixteen thousand, two hundred".