286930 has 16 divisors (see below), whose sum is σ = 590400. Its totient is φ = 98352.

The previous prime is 286927. The next prime is 286973. The reversal of 286930 is 39682.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980 + ... + 2119.

It is an arithmetic number, because the mean of its divisors is an integer number (36900).

2²⁸⁶⁹³⁰ is an apocalyptic number.

286930 is an abundant number, since it is smaller than the sum of its proper divisors (303470).

It is a weird number, because it is abundant, but not a pseudoperfect number.

286930 is a wasteful number, since it uses less digits than its factorization.

286930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 286930 is about 535.6584732831. The cubic root of 286930 is about 65.9566596389.

The spelling of 286930 in words is "two hundred eighty-six thousand, nine hundred thirty".