1038740939 has 2 divisors, whose sum is σ = 1038740940. Its totient is φ = 1038740938.

The previous prime is 1038740921. The next prime is 1038740951. The reversal of 1038740939 is 9390478301.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9390478301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1038740939 - 2¹⁶ = 1038675403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1038740939.

It is not a weakly prime, because it can be changed into another prime (1038740539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519370469 + 519370470.

It is an arithmetic number, because the mean of its divisors is an integer number (519370470).

Almost surely, 2^1038740939 is an apocalyptic number.

1038740939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038740939 is an equidigital number, since it uses as much as digits as its factorization.

1038740939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1038740939 is about 32229.5041693167. The cubic root of 1038740939 is about 1012.7503831110.

The spelling of 1038740939 in words is "one billion, thirty-eight million, seven hundred forty thousand, nine hundred thirty-nine".