286904 has 8 divisors (see below), whose sum is σ = 537960. Its totient is φ = 143448.

The previous prime is 286873. The next prime is 286927. The reversal of 286904 is 409682.

286904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a pancake number, because a pancake can be divided into 286904 parts by 757 straight cuts.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17924 + ... + 17939.

It is an arithmetic number, because the mean of its divisors is an integer number (67245).

2²⁸⁶⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

286904 is a deficient number, since it is larger than the sum of its proper divisors (251056).

286904 is a wasteful number, since it uses less digits than its factorization.

286904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35869 (or 35865 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 286904 is about 535.6342035382. The cubic root of 286904 is about 65.9546673702.

The spelling of 286904 in words is "two hundred eighty-six thousand, nine hundred four".