938976947 has 2 divisors, whose sum is σ = 938976948. Its totient is φ = 938976946.

The previous prime is 938976937. The next prime is 938976959. The reversal of 938976947 is 749679839.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 938976947 - 2¹² = 938972851 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938976947.

It is not a weakly prime, because it can be changed into another prime (938976937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469488473 + 469488474.

It is an arithmetic number, because the mean of its divisors is an integer number (469488474).

Almost surely, 2^938976947 is an apocalyptic number.

938976947 is a deficient number, since it is larger than the sum of its proper divisors (1).

938976947 is an equidigital number, since it uses as much as digits as its factorization.

938976947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 62.

The square root of 938976947 is about 30642.7307366690. The cubic root of 938976947 is about 979.2306008082.

The spelling of 938976947 in words is "nine hundred thirty-eight million, nine hundred seventy-six thousand, nine hundred forty-seven".