286696 has 8 divisors (see below), whose sum is σ = 537570. Its totient is φ = 143344.

The previous prime is 286687. The next prime is 286697. The reversal of 286696 is 696682.

It can be written as a sum of positive squares in only one way, i.e., 264196 + 22500 = 514^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (286697) by changing a digit.

286696 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 as a sum of consecutive naturals, namely, 17911 + ... + 17926.

2²⁸⁶⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

286696 is a deficient number, since it is larger than the sum of its proper divisors (250874).

286696 is a wasteful number, since it uses less digits than its factorization.

286696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35843 (or 35839 counting only the distinct ones).

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

The square root of 286696 is about 535.4400059764. The cubic root of 286696 is about 65.9387248861.

It can be divided in two parts, 28 and 6696, that added together give a square (6724 = 82²).

The spelling of 286696 in words is "two hundred eighty-six thousand, six hundred ninety-six".