939609 has 12 divisors (see below), whose sum is σ = 1480752. Its totient is φ = 569400.

The previous prime is 939599. The next prime is 939611. The reversal of 939609 is 906939.

It is not a de Polignac number, because 939609 - 2¹² = 935513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (939649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4647 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (123396).

2⁹³⁹⁶⁰⁹ is an apocalyptic number.

939609 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

939609 is a deficient number, since it is larger than the sum of its proper divisors (541143).

939609 is a wasteful number, since it uses less digits than its factorization.

939609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508 (or 9505 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 939609 is about 969.3343076565. The cubic root of 939609 is about 97.9450267834.

The spelling of 939609 in words is "nine hundred thirty-nine thousand, six hundred nine".