440215 has 8 divisors (see below), whose sum is σ = 559440. Its totient is φ = 331392.

The previous prime is 440207. The next prime is 440221. The reversal of 440215 is 512044.

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 440215 - 2³ = 440207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (69930).

2⁴⁴⁰²¹⁵ is an apocalyptic number.

440215 is a deficient number, since it is larger than the sum of its proper divisors (119225).

440215 is a wasteful number, since it uses less digits than its factorization.

440215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 440215 is about 663.4870006262. The cubic root of 440215 is about 76.0714356037.

Adding to 440215 its reverse (512044), we get a palindrome (952259).

The spelling of 440215 in words is "four hundred forty thousand, two hundred fifteen".