439941 has 4 divisors (see below), whose sum is σ = 586592. Its totient is φ = 293292.

The previous prime is 439919. The next prime is 439949. The reversal of 439941 is 149934.

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.

It is not a de Polignac number, because 439941 - 2⁹ = 439429 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439899 and 439908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439949) 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, 73321 + ... + 73326.

It is an arithmetic number, because the mean of its divisors is an integer number (146648).

2⁴³⁹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

439941 is a deficient number, since it is larger than the sum of its proper divisors (146651).

439941 is a wasteful number, since it uses less digits than its factorization.

439941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146650.

The product of its digits is 3888, while the sum is 30.

The square root of 439941 is about 663.2804836568. The cubic root of 439941 is about 76.0556494542.

The spelling of 439941 in words is "four hundred thirty-nine thousand, nine hundred forty-one".