216872846 has 8 divisors (see below), whose sum is σ = 336526920. Its totient is φ = 104697208.

The previous prime is 216872839. The next prime is 216872857. The reversal of 216872846 is 648278612.

216872846 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 216872797 and 216872806.

It is a congruent number.

It is an unprimeable number.

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, 1869536 + ... + 1869651.

It is an arithmetic number, because the mean of its divisors is an integer number (42065865).

Almost surely, 2^216872846 is an apocalyptic number.

216872846 is a deficient number, since it is larger than the sum of its proper divisors (119654074).

216872846 is a wasteful number, since it uses less digits than its factorization.

216872846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3739218.

The product of its digits is 258048, while the sum is 44.

The square root of 216872846 is about 14726.6033422511. The cubic root of 216872846 is about 600.8071045576.

The spelling of 216872846 in words is "two hundred sixteen million, eight hundred seventy-two thousand, eight hundred forty-six".