440617 has 4 divisors (see below), whose sum is σ = 442000. Its totient is φ = 439236.

The previous prime is 440581. The next prime is 440641. The reversal of 440617 is 716044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 440617 - 2¹¹ = 438569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440677) 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, 58 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (110500).

2⁴⁴⁰⁶¹⁷ is an apocalyptic number.

It is an amenable number.

440617 is a deficient number, since it is larger than the sum of its proper divisors (1383).

440617 is an equidigital number, since it uses as much as digits as its factorization.

440617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 440617 is about 663.7898763916. The cubic root of 440617 is about 76.0945844538.

The spelling of 440617 in words is "four hundred forty thousand, six hundred seventeen".