286130312 has 16 divisors (see below), whose sum is σ = 577763340. Its totient is φ = 132060096.

The previous prime is 286130237. The next prime is 286130357. The reversal of 286130312 is 213031682.

It can be written as a sum of positive squares in 2 ways, for example, as 204661636 + 81468676 = 14306^2 + 9026^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375523 + ... + 1375730.

Almost surely, 2^286130312 is an apocalyptic number.

It is an amenable number.

286130312 is an abundant number, since it is smaller than the sum of its proper divisors (291633028).

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

286130312 is a wasteful number, since it uses less digits than its factorization.

286130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751272 (or 2751268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 286130312 is about 16915.3868415712. The cubic root of 286130312 is about 658.9532780883.

Adding to 286130312 its reverse (213031682), we get a palindrome (499161994).

The spelling of 286130312 in words is "two hundred eighty-six million, one hundred thirty thousand, three hundred twelve".