216848858 has 8 divisors (see below), whose sum is σ = 325597428. Its totient is φ = 108316384.

The previous prime is 216848837. The next prime is 216848861. The reversal of 216848858 is 858848612.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 212780569 + 4068289 = 14587^2 + 2017^2 .

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

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, 51491 + ... + 55542.

Almost surely, 2^216848858 is an apocalyptic number.

216848858 is a deficient number, since it is larger than the sum of its proper divisors (108748570).

216848858 is a wasteful number, since it uses less digits than its factorization.

216848858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108048.

The product of its digits is 983040, while the sum is 50.

The square root of 216848858 is about 14725.7888753031. The cubic root of 216848858 is about 600.7849522650.

The spelling of 216848858 in words is "two hundred sixteen million, eight hundred forty-eight thousand, eight hundred fifty-eight".