1038398071 has 2 divisors, whose sum is σ = 1038398072. Its totient is φ = 1038398070.

The previous prime is 1038398047. The next prime is 1038398147. The reversal of 1038398071 is 1708938301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1038398071 - 2²⁵ = 1004843639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1038398371) 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, 519199035 + 519199036.

It is an arithmetic number, because the mean of its divisors is an integer number (519199036).

Almost surely, 2^1038398071 is an apocalyptic number.

1038398071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038398071 is an equidigital number, since it uses as much as digits as its factorization.

1038398071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1038398071 is about 32224.1845668746. The cubic root of 1038398071 is about 1012.6389411726.

The spelling of 1038398071 in words is "one billion, thirty-eight million, three hundred ninety-eight thousand, seventy-one".