938989673 has 2 divisors, whose sum is σ = 938989674. Its totient is φ = 938989672.

The previous prime is 938989669. The next prime is 938989691. The reversal of 938989673 is 376989839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 474673369 + 464316304 = 21787^2 + 21548^2 .

It is a cyclic number.

It is not a de Polignac number, because 938989673 - 2² = 938989669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (938989603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469494836 + 469494837.

It is an arithmetic number, because the mean of its divisors is an integer number (469494837).

Almost surely, 2^938989673 is an apocalyptic number.

It is an amenable number.

938989673 is a deficient number, since it is larger than the sum of its proper divisors (1).

938989673 is an equidigital number, since it uses as much as digits as its factorization.

938989673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 62.

The square root of 938989673 is about 30642.9383871717. The cubic root of 938989673 is about 979.2350246415.

The spelling of 938989673 in words is "nine hundred thirty-eight million, nine hundred eighty-nine thousand, six hundred seventy-three".