939413 has 2 divisors, whose sum is σ = 939414. Its totient is φ = 939412.

The previous prime is 939391. The next prime is 939431. The reversal of 939413 is 314939.

Together with next prime (939431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702244 + 237169 = 838^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 939413 - 2⁶ = 939349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939443) 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 as a sum of consecutive naturals, namely, 469706 + 469707.

It is an arithmetic number, because the mean of its divisors is an integer number (469707).

2⁹³⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

939413 is a deficient number, since it is larger than the sum of its proper divisors (1).

939413 is an equidigital number, since it uses as much as digits as its factorization.

939413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 939413 is about 969.2332020726. The cubic root of 939413 is about 97.9382159503.

The spelling of 939413 in words is "nine hundred thirty-nine thousand, four hundred thirteen".