939042 has 24 divisors (see below), whose sum is σ = 2191644. Its totient is φ = 288864.

The previous prime is 939019. The next prime is 939061. The reversal of 939042 is 240939.

It can be written as a sum of positive squares in 2 ways, for example, as 938961 + 81 = 969^2 + 9^2 .

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 938997 and 939015.

It is an unprimeable number.

939042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1773 + ... + 2240.

2⁹³⁹⁰⁴² is an apocalyptic number.

939042 is an abundant number, since it is smaller than the sum of its proper divisors (1252602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939042 is a wasteful number, since it uses less digits than its factorization.

939042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 939042 is about 969.0417947643. The cubic root of 939042 is about 97.9253214220.

The spelling of 939042 in words is "nine hundred thirty-nine thousand, forty-two".