939841 has 4 divisors (see below), whose sum is σ = 1074112. Its totient is φ = 805572.

The previous prime is 939839. The next prime is 939847. The reversal of 939841 is 148939.

939841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 148939 = 7 ⋅21277.

It is a cyclic number.

It is not a de Polignac number, because 939841 - 2¹ = 939839 is a prime.

It is a super-2 number, since 2×939841² = 1766602210562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 939797 and 939806.

It is not an unprimeable number, because it can be changed into a prime (939847) 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, 67125 + ... + 67138.

It is an arithmetic number, because the mean of its divisors is an integer number (268528).

2⁹³⁹⁸⁴¹ is an apocalyptic number.

It is an amenable number.

939841 is a deficient number, since it is larger than the sum of its proper divisors (134271).

939841 is a wasteful number, since it uses less digits than its factorization.

939841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134270.

The product of its digits is 7776, while the sum is 34.

The square root of 939841 is about 969.4539700264. The cubic root of 939841 is about 97.9530873618.

The spelling of 939841 in words is "nine hundred thirty-nine thousand, eight hundred forty-one".