286426 has 16 divisors (see below), whose sum is σ = 504000. Its totient is φ = 119520.

The previous prime is 286421. The next prime is 286427. The reversal of 286426 is 624682.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 286394 and 286403.

It is not an unprimeable number, because it can be changed into a prime (286421) 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 7 ways as a sum of consecutive naturals, for example, 325 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (31500).

2²⁸⁶⁴²⁶ is an apocalyptic number.

286426 is a deficient number, since it is larger than the sum of its proper divisors (217574).

286426 is a wasteful number, since it uses less digits than its factorization.

286426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 4608, while the sum is 28.

The square root of 286426 is about 535.1878174996. The cubic root of 286426 is about 65.9180188100.

The spelling of 286426 in words is "two hundred eighty-six thousand, four hundred twenty-six".