939089 has 2 divisors, whose sum is σ = 939090. Its totient is φ = 939088.

The previous prime is 939061. The next prime is 939091. The reversal of 939089 is 980939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 286225 = 808^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 939089 - 2¹⁶ = 873553 is a prime.

Together with 939091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (939019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469544 + 469545.

It is an arithmetic number, because the mean of its divisors is an integer number (469545).

2⁹³⁹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

939089 is a deficient number, since it is larger than the sum of its proper divisors (1).

939089 is an equidigital number, since it uses as much as digits as its factorization.

939089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 939089 is about 969.0660452209. The cubic root of 939089 is about 97.9269551485.

The spelling of 939089 in words is "nine hundred thirty-nine thousand, eighty-nine".