286381466 has 16 divisors (see below), whose sum is σ = 494194560. Its totient is φ = 121921200.

The previous prime is 286381463. The next prime is 286381483. The reversal of 286381466 is 664183682.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (286381463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65621 + ... + 69848.

It is an arithmetic number, because the mean of its divisors is an integer number (30887160).

Almost surely, 2^286381466 is an apocalyptic number.

286381466 is a deficient number, since it is larger than the sum of its proper divisors (207813094).

286381466 is a wasteful number, since it uses less digits than its factorization.

286381466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135629.

The product of its digits is 331776, while the sum is 44.

The square root of 286381466 is about 16922.8090457820. The cubic root of 286381466 is about 659.1460228454.

The spelling of 286381466 in words is "two hundred eighty-six million, three hundred eighty-one thousand, four hundred sixty-six".