216752938 has 8 divisors (see below), whose sum is σ = 332690688. Its totient is φ = 105856044.

The previous prime is 216752929. The next prime is 216752951. The reversal of 216752938 is 839257612.

216752938 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 super-2 number, since 2×216752938² = 93963672263263688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 216752894 and 216752903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260106 + ... + 1260277.

It is an arithmetic number, because the mean of its divisors is an integer number (41586336).

Almost surely, 2^216752938 is an apocalyptic number.

216752938 is a deficient number, since it is larger than the sum of its proper divisors (115937750).

216752938 is a wasteful number, since it uses less digits than its factorization.

216752938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520428.

The product of its digits is 181440, while the sum is 43.

The square root of 216752938 is about 14722.5316437086. The cubic root of 216752938 is about 600.6963563153.

The spelling of 216752938 in words is "two hundred sixteen million, seven hundred fifty-two thousand, nine hundred thirty-eight".