939336397 has 2 divisors, whose sum is σ = 939336398. Its totient is φ = 939336396.

The previous prime is 939336373. The next prime is 939336401. The reversal of 939336397 is 793633939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782936361 + 156400036 = 27981^2 + 12506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-939336397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939336337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469668198 + 469668199.

It is an arithmetic number, because the mean of its divisors is an integer number (469668199).

Almost surely, 2^939336397 is an apocalyptic number.

It is an amenable number.

939336397 is a deficient number, since it is larger than the sum of its proper divisors (1).

939336397 is an equidigital number, since it uses as much as digits as its factorization.

939336397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 52.

The square root of 939336397 is about 30648.5953511739. The cubic root of 939336397 is about 979.3555380376.

The spelling of 939336397 in words is "nine hundred thirty-nine million, three hundred thirty-six thousand, three hundred ninety-seven".