441687 has 4 divisors (see below), whose sum is σ = 588920. Its totient is φ = 294456.

The previous prime is 441667. The next prime is 441697. The reversal of 441687 is 786144.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 441687 - 2¹¹ = 439639 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441607) 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 3 ways as a sum of consecutive naturals, for example, 73612 + ... + 73617.

It is an arithmetic number, because the mean of its divisors is an integer number (147230).

2⁴⁴¹⁶⁸⁷ is an apocalyptic number.

441687 is a deficient number, since it is larger than the sum of its proper divisors (147233).

441687 is a wasteful number, since it uses less digits than its factorization.

441687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147232.

The product of its digits is 5376, while the sum is 30.

The square root of 441687 is about 664.5953656173. The cubic root of 441687 is about 76.1561310170.

It can be divided in two parts, 441 and 687, that added together give a triangular number (1128 = T₄₇).

The spelling of 441687 in words is "four hundred forty-one thousand, six hundred eighty-seven".