285011130 has 32 divisors (see below), whose sum is σ = 707616000. Its totient is φ = 73381952.

The previous prime is 285011113. The next prime is 285011143. The reversal of 285011130 is 31110582.

It is a junction number, because it is equal to n+sod(n) for n = 285011097 and 285011106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162930 + ... + 164669.

It is an arithmetic number, because the mean of its divisors is an integer number (22113000).

Almost surely, 2^285011130 is an apocalyptic number.

285011130 is an abundant number, since it is smaller than the sum of its proper divisors (422604870).

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

285011130 is a wasteful number, since it uses less digits than its factorization.

285011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327638.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 285011130 is about 16882.2726550663. The cubic root of 285011130 is about 658.0930030556.

The spelling of 285011130 in words is "two hundred eighty-five million, eleven thousand, one hundred thirty".