939242093 has 2 divisors, whose sum is σ = 939242094. Its totient is φ = 939242092.

The previous prime is 939242069. The next prime is 939242107. The reversal of 939242093 is 390242939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771617284 + 167624809 = 27778^2 + 12947^2 .

It is a cyclic number.

It is not a de Polignac number, because 939242093 - 2⁸ = 939241837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 939242093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939242033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469621046 + 469621047.

It is an arithmetic number, because the mean of its divisors is an integer number (469621047).

Almost surely, 2^939242093 is an apocalyptic number.

It is an amenable number.

939242093 is a deficient number, since it is larger than the sum of its proper divisors (1).

939242093 is an equidigital number, since it uses as much as digits as its factorization.

939242093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 939242093 is about 30647.0568407474. The cubic root of 939242093 is about 979.3227630431.

The spelling of 939242093 in words is "nine hundred thirty-nine million, two hundred forty-two thousand, ninety-three".