939013 has 4 divisors (see below), whose sum is σ = 959040. Its totient is φ = 918988.

The previous prime is 939011. The next prime is 939019. The reversal of 939013 is 310939.

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: 310939 = 239 ⋅1301.

It is a cyclic number.

It is not a de Polignac number, because 939013 - 2¹ = 939011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939011) 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, 9943 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

2⁹³⁹⁰¹³ is an apocalyptic number.

It is an amenable number.

939013 is a deficient number, since it is larger than the sum of its proper divisors (20027).

939013 is a wasteful number, since it uses less digits than its factorization.

939013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 939013 is about 969.0268314139. The cubic root of 939013 is about 97.9243133508.

The spelling of 939013 in words is "nine hundred thirty-nine thousand, thirteen".