286966 has 4 divisors (see below), whose sum is σ = 430452. Its totient is φ = 143482.

The previous prime is 286927. The next prime is 286973. The reversal of 286966 is 669682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71740 + ... + 71743.

It is an arithmetic number, because the mean of its divisors is an integer number (107613).

2²⁸⁶⁹⁶⁶ is an apocalyptic number.

286966 is a deficient number, since it is larger than the sum of its proper divisors (143486).

286966 is a wasteful number, since it uses less digits than its factorization.

286966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143485.

The product of its digits is 31104, while the sum is 37.

The square root of 286966 is about 535.6920757301. The cubic root of 286966 is about 65.9594179661.

It can be divided in two parts, 2 and 86966, that added together give a palindrome (86968).

The spelling of 286966 in words is "two hundred eighty-six thousand, nine hundred sixty-six".