286673436 has 72 divisors (see below), whose sum is σ = 840577920. Its totient is φ = 80679456.

The previous prime is 286673371. The next prime is 286673441. The reversal of 286673436 is 634376682.

It is a junction number, because it is equal to n+sod(n) for n = 286673391 and 286673400.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8395 + ... + 25373.

Almost surely, 2^286673436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286673436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420288960).

286673436 is an abundant number, since it is smaller than the sum of its proper divisors (553904484).

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

286673436 is a wasteful number, since it uses less digits than its factorization.

286673436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063 (or 17058 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 286673436 is about 16931.4333711000. The cubic root of 286673436 is about 659.3699496959.

The spelling of 286673436 in words is "two hundred eighty-six million, six hundred seventy-three thousand, four hundred thirty-six".