286461330 has 16 divisors (see below), whose sum is σ = 687507264. Its totient is φ = 76389680.

The previous prime is 286461323. The next prime is 286461349. The reversal of 286461330 is 33164682.

It is a junction number, because it is equal to n+sod(n) for n = 286461291 and 286461300.

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 7 ways as a sum of consecutive naturals, for example, 4774326 + ... + 4774385.

It is an arithmetic number, because the mean of its divisors is an integer number (42969204).

Almost surely, 2^286461330 is an apocalyptic number.

286461330 is an abundant number, since it is smaller than the sum of its proper divisors (401045934).

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

286461330 is a wasteful number, since it uses less digits than its factorization.

286461330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548721.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 286461330 is about 16925.1685368270. The cubic root of 286461330 is about 659.2072897819.

The spelling of 286461330 in words is "two hundred eighty-six million, four hundred sixty-one thousand, three hundred thirty".