285733030 has 24 divisors (see below), whose sum is σ = 565328736. Its totient is φ = 103902480.

The previous prime is 285733013. The next prime is 285733033. The reversal of 285733030 is 30337582.

It is a junction number, because it is equal to n+sod(n) for n = 285732983 and 285733001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285733033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116862 + ... + 119281.

It is an arithmetic number, because the mean of its divisors is an integer number (23555364).

Almost surely, 2^285733030 is an apocalyptic number.

285733030 is a deficient number, since it is larger than the sum of its proper divisors (279595706).

285733030 is a wasteful number, since it uses less digits than its factorization.

285733030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236172 (or 236161 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 285733030 is about 16903.6395489256. The cubic root of 285733030 is about 658.6481589159.

The spelling of 285733030 in words is "two hundred eighty-five million, seven hundred thirty-three thousand, thirty".