216038 has 8 divisors (see below), whose sum is σ = 327360. Its totient is φ = 106920.

The previous prime is 216037. The next prime is 216061. The reversal of 216038 is 830612.

216038 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 an Ulam number.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (40920).

216038 is a Friedman number, since it can be written as 60^(2+1)+38, using all its digits and the basic arithmetic operations.

2²¹⁶⁰³⁸ is an apocalyptic number.

216038 is a deficient number, since it is larger than the sum of its proper divisors (111322).

216038 is a wasteful number, since it uses less digits than its factorization.

216038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 216038 is about 464.7988812379. The cubic root of 216038 is about 60.0035183122.

The spelling of 216038 in words is "two hundred sixteen thousand, thirty-eight".