286345666 has 8 divisors (see below), whose sum is σ = 430032960. Its totient is φ = 143001348.

The previous prime is 286345613. The next prime is 286345673. The reversal of 286345666 is 666543682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83646 + ... + 87001.

It is an arithmetic number, because the mean of its divisors is an integer number (53754120).

Almost surely, 2^286345666 is an apocalyptic number.

286345666 is a deficient number, since it is larger than the sum of its proper divisors (143687294).

286345666 is a wasteful number, since it uses less digits than its factorization.

286345666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171488.

The product of its digits is 1244160, while the sum is 46.

The square root of 286345666 is about 16921.7512687074. The cubic root of 286345666 is about 659.1185555058.

The spelling of 286345666 in words is "two hundred eighty-six million, three hundred forty-five thousand, six hundred sixty-six".