84312866 has 8 divisors (see below), whose sum is σ = 137966544. Its totient is φ = 38324020.

The previous prime is 84312859. The next prime is 84312869. The reversal of 84312866 is 66821348.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (84312869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916180 + ... + 1916223.

It is an arithmetic number, because the mean of its divisors is an integer number (17245818).

Almost surely, 2^84312866 is an apocalyptic number.

84312866 is a deficient number, since it is larger than the sum of its proper divisors (53653678).

84312866 is a wasteful number, since it uses less digits than its factorization.

84312866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832416.

The product of its digits is 55296, while the sum is 38.

The square root of 84312866 is about 9182.2037659812. The cubic root of 84312866 is about 438.4949715271.

The spelling of 84312866 in words is "eighty-four million, three hundred twelve thousand, eight hundred sixty-six".