939679 has 12 divisors (see below), whose sum is σ = 1061368. Its totient is φ = 826560.

The previous prime is 939677. The next prime is 939707. The reversal of 939679 is 976939.

It is not a de Polignac number, because 939679 - 2¹ = 939677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939677) 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 11 ways as a sum of consecutive naturals, for example, 21832 + ... + 21874.

2⁹³⁹⁶⁷⁹ is an apocalyptic number.

939679 is a deficient number, since it is larger than the sum of its proper divisors (121689).

939679 is a wasteful number, since it uses less digits than its factorization.

939679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 97 counting only the distinct ones).

The product of its digits is 91854, while the sum is 43.

The square root of 939679 is about 969.3704142380. The cubic root of 939679 is about 97.9474589942.

The spelling of 939679 in words is "nine hundred thirty-nine thousand, six hundred seventy-nine".