286606 has 8 divisors (see below), whose sum is σ = 439200. Its totient is φ = 140208.

The previous prime is 286591. The next prime is 286609. The reversal of 286606 is 606682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286609) by changing a digit.

286606 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 1431 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (54900).

2²⁸⁶⁶⁰⁶ is an apocalyptic number.

286606 is a deficient number, since it is larger than the sum of its proper divisors (152594).

286606 is a wasteful number, since it uses less digits than its factorization.

286606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 286606 is about 535.3559563505. The cubic root of 286606 is about 65.9318243058.

The spelling of 286606 in words is "two hundred eighty-six thousand, six hundred six".