939885 has 8 divisors (see below), whose sum is σ = 1503840. Its totient is φ = 501264.

The previous prime is 939881. The next prime is 939901. The reversal of 939885 is 588939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 939885 - 2² = 939881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31315 + ... + 31344.

It is an arithmetic number, because the mean of its divisors is an integer number (187980).

2⁹³⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

939885 is a deficient number, since it is larger than the sum of its proper divisors (563955).

939885 is a wasteful number, since it uses less digits than its factorization.

939885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62667.

The product of its digits is 77760, while the sum is 42.

The square root of 939885 is about 969.4766629476. The cubic root of 939885 is about 97.9546159426.

The spelling of 939885 in words is "nine hundred thirty-nine thousand, eight hundred eighty-five".