240215 has 8 divisors (see below), whose sum is σ = 291600. Its totient is φ = 189952.

The previous prime is 240209. The next prime is 240257. The reversal of 240215 is 512042.

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

It is a cyclic number.

It is not a de Polignac number, because 240215 - 2⁶ = 240151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240215.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 311 + ... + 759.

It is an arithmetic number, because the mean of its divisors is an integer number (36450).

2²⁴⁰²¹⁵ is an apocalyptic number.

240215 is a deficient number, since it is larger than the sum of its proper divisors (51385).

240215 is a wasteful number, since it uses less digits than its factorization.

240215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 240215 is about 490.1173328908. The cubic root of 240215 is about 62.1632016635.

Adding to 240215 its reverse (512042), we get a palindrome (752257).

The spelling of 240215 in words is "two hundred forty thousand, two hundred fifteen".