286047 has 12 divisors (see below), whose sum is σ = 424840. Its totient is φ = 185328.

The previous prime is 286043. The next prime is 286049. The reversal of 286047 is 740682.

It is not a de Polignac number, because 286047 - 2² = 286043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 286047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97 + ... + 762.

2²⁸⁶⁰⁴⁷ is an apocalyptic number.

286047 is a deficient number, since it is larger than the sum of its proper divisors (138793).

286047 is a wasteful number, since it uses less digits than its factorization.

286047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 286047 is about 534.8336189882. The cubic root of 286047 is about 65.8889316504. Note that the first 3 decimals are identical.

The spelling of 286047 in words is "two hundred eighty-six thousand, forty-seven".