938709 has 12 divisors (see below), whose sum is σ = 1406496. Its totient is φ = 625644.

The previous prime is 938681. The next prime is 938713. The reversal of 938709 is 907839.

It is not a de Polignac number, because 938709 - 2⁵ = 938677 is a prime.

938709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938309) 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, 1689 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (117208).

2⁹³⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

938709 is a deficient number, since it is larger than the sum of its proper divisors (467787).

938709 is an equidigital number, since it uses as much as digits as its factorization.

938709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 938709 is about 968.8699603146. The cubic root of 938709 is about 97.9137447345.

The spelling of 938709 in words is "nine hundred thirty-eight thousand, seven hundred nine".