215468 has 24 divisors (see below), whose sum is σ = 423360. Its totient is φ = 95120.

The previous prime is 215461. The next prime is 215471. The reversal of 215468 is 864512.

215468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 215468.

It is not an unprimeable number, because it can be changed into a prime (215461) by changing a digit.

215468 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2²¹⁵⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

215468 is a deficient number, since it is larger than the sum of its proper divisors (207892).

215468 is a wasteful number, since it uses less digits than its factorization.

215468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 155 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 215468 is about 464.1853078244. The cubic root of 215468 is about 59.9507002441.

It can be divided in two parts, 2154 and 68, that added together give a palindrome (2222).

The spelling of 215468 in words is "two hundred fifteen thousand, four hundred sixty-eight".