440671 has 16 divisors (see below), whose sum is σ = 564480. Its totient is φ = 334080.

The previous prime is 440669. The next prime is 440677. The reversal of 440671 is 176044.

It is a cyclic number.

It is not a de Polignac number, because 440671 - 2¹ = 440669 is a prime.

440671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4495 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (35280).

2⁴⁴⁰⁶⁷¹ is an apocalyptic number.

440671 is a deficient number, since it is larger than the sum of its proper divisors (123809).

440671 is a wasteful number, since it uses less digits than its factorization.

440671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174.

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

The square root of 440671 is about 663.8305506679. The cubic root of 440671 is about 76.0976929280.

It can be divided in two parts, 440 and 671, that added together give a palindrome (1111).

The spelling of 440671 in words is "four hundred forty thousand, six hundred seventy-one".