999980214 has 8 divisors (see below), whose sum is σ = 1999960440. Its totient is φ = 333326736.

The previous prime is 999980213. The next prime is 999980231. The reversal of 999980214 is 412089999.

It is a happy number.

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

999980214 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999980213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83331679 + ... + 83331690.

It is an arithmetic number, because the mean of its divisors is an integer number (249995055).

Almost surely, 2^999980214 is an apocalyptic number.

999980214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

999980214 is a wasteful number, since it uses less digits than its factorization.

999980214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166663374.

The product of its (nonzero) digits is 419904, while the sum is 51.

The square root of 999980214 is about 31622.4637560074. The cubic root of 999980214 is about 999.9934046232.

The spelling of 999980214 in words is "nine hundred ninety-nine million, nine hundred eighty thousand, two hundred fourteen".