993353399 has 2 divisors, whose sum is σ = 993353400. Its totient is φ = 993353398.

The previous prime is 993353381. The next prime is 993353407.

993353399 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 993353399 - 2¹⁶ = 993287863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 993353399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993353369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496676699 + 496676700.

It is an arithmetic number, because the mean of its divisors is an integer number (496676700).

Almost surely, 2^993353399 is an apocalyptic number.

993353399 is a deficient number, since it is larger than the sum of its proper divisors (1).

993353399 is an equidigital number, since it uses as much as digits as its factorization.

993353399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2657205, while the sum is 53.

The square root of 993353399 is about 31517.5094035046. The cubic root of 993353399 is about 997.7795395380.

The spelling of 993353399 in words is "nine hundred ninety-three million, three hundred fifty-three thousand, three hundred ninety-nine".