1093993 has 2 divisors, whose sum is σ = 1093994. Its totient is φ = 1093992.

The previous prime is 1093991. The next prime is 1093997. The reversal of 1093993 is 3993901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851929 + 242064 = 923^2 + 492^2 .

It is an emirp because it is prime and its reverse (3993901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1093993 - 2¹ = 1093991 is a prime.

Together with 1093991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1093991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546996 + 546997.

It is an arithmetic number, because the mean of its divisors is an integer number (546997).

2^1093993 is an apocalyptic number.

It is an amenable number.

1093993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093993 is an equidigital number, since it uses as much as digits as its factorization.

1093993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 1093993 is about 1045.9412029364. The cubic root of 1093993 is about 103.0397621956.

The spelling of 1093993 in words is "one million, ninety-three thousand, nine hundred ninety-three".