1039388197 has 2 divisors, whose sum is σ = 1039388198. Its totient is φ = 1039388196.

The previous prime is 1039388153. The next prime is 1039388209. The reversal of 1039388197 is 7918839301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752898721 + 286489476 = 27439^2 + 16926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039388197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1039388197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1039388107) 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, 519694098 + 519694099.

It is an arithmetic number, because the mean of its divisors is an integer number (519694099).

Almost surely, 2^1039388197 is an apocalyptic number.

It is an amenable number.

1039388197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039388197 is an equidigital number, since it uses as much as digits as its factorization.

1039388197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1039388197 is about 32239.5439949141. The cubic root of 1039388197 is about 1012.9606937080.

The spelling of 1039388197 in words is "one billion, thirty-nine million, three hundred eighty-eight thousand, one hundred ninety-seven".