286630 has 8 divisors (see below), whose sum is σ = 515952. Its totient is φ = 114648.

The previous prime is 286619. The next prime is 286633. The reversal of 286630 is 36682.

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

It is a junction number, because it is equal to n+sod(n) for n = 286595 and 286604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286633) by changing a digit.

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, 14322 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (64494).

2²⁸⁶⁶³⁰ is an apocalyptic number.

286630 is a deficient number, since it is larger than the sum of its proper divisors (229322).

286630 is a wasteful number, since it uses less digits than its factorization.

286630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28670.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 286630 is about 535.3783708743. The cubic root of 286630 is about 65.9336646017.

The spelling of 286630 in words is "two hundred eighty-six thousand, six hundred thirty".