993928241 has 2 divisors, whose sum is σ = 993928242. Its totient is φ = 993928240.

The previous prime is 993928213. The next prime is 993928253. The reversal of 993928241 is 142829399.

993928241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800607025 + 193321216 = 28295^2 + 13904^2 .

It is an emirp because it is prime and its reverse (142829399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 993928241 - 2²² = 989733937 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 (993928261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496964120 + 496964121.

It is an arithmetic number, because the mean of its divisors is an integer number (496964121).

Almost surely, 2^993928241 is an apocalyptic number.

It is an amenable number.

993928241 is a deficient number, since it is larger than the sum of its proper divisors (1).

993928241 is an equidigital number, since it uses as much as digits as its factorization.

993928241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 993928241 is about 31526.6274916934. The cubic root of 993928241 is about 997.9719702089.

The spelling of 993928241 in words is "nine hundred ninety-three million, nine hundred twenty-eight thousand, two hundred forty-one".