286279434 has 80 divisors (see below), whose sum is σ = 753042048. Its totient is φ = 79571808.

The previous prime is 286279429. The next prime is 286279481. The reversal of 286279434 is 434972682.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 286279434.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38547 + ... + 45369.

Almost surely, 2^286279434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286279434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376521024).

286279434 is an abundant number, since it is smaller than the sum of its proper divisors (466762614).

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

286279434 is a wasteful number, since it uses less digits than its factorization.

286279434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881 (or 6872 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 286279434 is about 16919.7941476839. The cubic root of 286279434 is about 659.0677333567.

The spelling of 286279434 in words is "two hundred eighty-six million, two hundred seventy-nine thousand, four hundred thirty-four".