216979114 has 8 divisors (see below), whose sum is σ = 355056768. Its totient is φ = 98626860.

The previous prime is 216979057. The next prime is 216979117. The reversal of 216979114 is 411979612.

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 (216979117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931322 + ... + 4931365.

It is an arithmetic number, because the mean of its divisors is an integer number (44382096).

Almost surely, 2^216979114 is an apocalyptic number.

216979114 is a deficient number, since it is larger than the sum of its proper divisors (138077654).

216979114 is a wasteful number, since it uses less digits than its factorization.

216979114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9862700.

The product of its digits is 27216, while the sum is 40.

The square root of 216979114 is about 14730.2109285645. The cubic root of 216979114 is about 600.9052206429.

The spelling of 216979114 in words is "two hundred sixteen million, nine hundred seventy-nine thousand, one hundred fourteen".