993343399 has 2 divisors, whose sum is σ = 993343400. Its totient is φ = 993343398.

The previous prime is 993343397. The next prime is 993343471.

It is a happy number.

993343399 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 993343399 - 2¹ = 993343397 is a prime.

It is a super-2 number, since 2×993343399² = 1973462216673746402, which contains 22 as substring.

Together with 993343397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993343397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496671699 + 496671700.

It is an arithmetic number, because the mean of its divisors is an integer number (496671700).

Almost surely, 2^993343399 is an apocalyptic number.

993343399 is a deficient number, since it is larger than the sum of its proper divisors (1).

993343399 is an equidigital number, since it uses as much as digits as its factorization.

993343399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2125764, while the sum is 52.

The square root of 993343399 is about 31517.3507611284. The cubic root of 993343399 is about 997.7761913409.

The spelling of 993343399 in words is "nine hundred ninety-three million, three hundred forty-three thousand, three hundred ninety-nine".