215382 has 8 divisors (see below), whose sum is σ = 430776. Its totient is φ = 71792.

The previous prime is 215381. The next prime is 215389. The reversal of 215382 is 283512.

215382 is digitally balanced in base 2, 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.

215382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17943 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (53847).

2²¹⁵³⁸² is an apocalyptic number.

215382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215382 is a wasteful number, since it uses less digits than its factorization.

215382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35902.

The product of its digits is 480, while the sum is 21.

The square root of 215382 is about 464.0926631611. The cubic root of 215382 is about 59.9427231178.

Adding to 215382 its reverse (283512), we get a palindrome (498894).

The spelling of 215382 in words is "two hundred fifteen thousand, three hundred eighty-two".