939441 has 4 divisors (see below), whose sum is σ = 1252592. Its totient is φ = 626292.

The previous prime is 939439. The next prime is 939443. The reversal of 939441 is 144939.

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 an emirpimes, since its reverse is a distinct semiprime: 144939 = 3 ⋅48313.

It is an interprime number because it is at equal distance from previous prime (939439) and next prime (939443).

It is not a de Polignac number, because 939441 - 2¹ = 939439 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 939399 and 939408.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 939441.

It is not an unprimeable number, because it can be changed into a prime (939443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156571 + ... + 156576.

It is an arithmetic number, because the mean of its divisors is an integer number (313148).

2⁹³⁹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

939441 is a deficient number, since it is larger than the sum of its proper divisors (313151).

939441 is a wasteful number, since it uses less digits than its factorization.

939441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313150.

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

The square root of 939441 is about 969.2476463732. The cubic root of 939441 is about 97.9391889844.

The spelling of 939441 in words is "nine hundred thirty-nine thousand, four hundred forty-one".