938801947 has 2 divisors, whose sum is σ = 938801948. Its totient is φ = 938801946.

The previous prime is 938801933. The next prime is 938802061. The reversal of 938801947 is 749108839.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-938801947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938801947.

It is not a weakly prime, because it can be changed into another prime (938802947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469400973 + 469400974.

It is an arithmetic number, because the mean of its divisors is an integer number (469400974).

Almost surely, 2^938801947 is an apocalyptic number.

938801947 is a deficient number, since it is larger than the sum of its proper divisors (1).

938801947 is an equidigital number, since it uses as much as digits as its factorization.

938801947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 938801947 is about 30639.8751139753. The cubic root of 938801947 is about 979.1697629631.

The spelling of 938801947 in words is "nine hundred thirty-eight million, eight hundred one thousand, nine hundred forty-seven".