285926 has 4 divisors (see below), whose sum is σ = 428892. Its totient is φ = 142962.

The previous prime is 285871. The next prime is 285937. The reversal of 285926 is 629582.

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

It is a d-powerful number, because it can be written as 2⁴ + 8⁴ + 9³ + 5³ + 2¹⁰ + 6⁷ .

It is a Curzon number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 285892 and 285901.

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 285926.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71480 + ... + 71483.

It is an arithmetic number, because the mean of its divisors is an integer number (107223).

2²⁸⁵⁹²⁶ is an apocalyptic number.

285926 is a deficient number, since it is larger than the sum of its proper divisors (142966).

285926 is a wasteful number, since it uses less digits than its factorization.

285926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142965.

The product of its digits is 8640, while the sum is 32.

The square root of 285926 is about 534.7204877317. The cubic root of 285926 is about 65.8796398380.

The spelling of 285926 in words is "two hundred eighty-five thousand, nine hundred twenty-six".