440587 has 8 divisors (see below), whose sum is σ = 508896. Its totient is φ = 373632.

The previous prime is 440581. The next prime is 440641. The reversal of 440587 is 785044.

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

It is not a de Polignac number, because 440587 - 2³ = 440579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (63612).

2⁴⁴⁰⁵⁸⁷ is an apocalyptic number.

440587 is a deficient number, since it is larger than the sum of its proper divisors (68309).

440587 is a wasteful number, since it uses less digits than its factorization.

440587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 440587 is about 663.7672784945. The cubic root of 440587 is about 76.0928574140.

The spelling of 440587 in words is "four hundred forty thousand, five hundred eighty-seven".