285690060 has 36 divisors (see below), whose sum is σ = 866593728. Its totient is φ = 76183968.

The previous prime is 285690059. The next prime is 285690071. The reversal of 285690060 is 60096582.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 285689997 and 285690024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793404 + ... + 793763.

It is an arithmetic number, because the mean of its divisors is an integer number (24072048).

Almost surely, 2^285690060 is an apocalyptic number.

285690060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285690060 is an abundant number, since it is smaller than the sum of its proper divisors (580903668).

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

285690060 is a wasteful number, since it uses less digits than its factorization.

285690060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587182 (or 1587177 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 285690060 is about 16902.3684730868. The cubic root of 285690060 is about 658.6151402968.

The spelling of 285690060 in words is "two hundred eighty-five million, six hundred ninety thousand, sixty".