286434 has 12 divisors (see below), whose sum is σ = 620646. Its totient is φ = 95472.

The previous prime is 286427. The next prime is 286453. The reversal of 286434 is 434682.

It can be written as a sum of positive squares in only one way, i.e., 205209 + 81225 = 453^2 + 285^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 286398 and 286407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286434.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7939 + ... + 7974.

2²⁸⁶⁴³⁴ is an apocalyptic number.

286434 is an abundant number, since it is smaller than the sum of its proper divisors (334212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286434 is a wasteful number, since it uses less digits than its factorization.

286434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921 (or 15918 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 286434 is about 535.1952914591. The cubic root of 286434 is about 65.9186325104.

It can be divided in two parts, 2 and 86434, that added together give a square (86436 = 294²).

The spelling of 286434 in words is "two hundred eighty-six thousand, four hundred thirty-four".