285005030 has 16 divisors (see below), whose sum is σ = 515670624. Its totient is φ = 113410560.

The previous prime is 285004999. The next prime is 285005087. The reversal of 285005030 is 30500582.

It is a junction number, because it is equal to n+sod(n) for n = 285004987 and 285005005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71906 + ... + 75765.

It is an arithmetic number, because the mean of its divisors is an integer number (32229414).

Almost surely, 2^285005030 is an apocalyptic number.

285005030 is a deficient number, since it is larger than the sum of its proper divisors (230665594).

285005030 is a wasteful number, since it uses less digits than its factorization.

285005030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147871.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 285005030 is about 16882.0919912196. The cubic root of 285005030 is about 658.0883080390.

The spelling of 285005030 in words is "two hundred eighty-five million, five thousand, thirty".