993353 has 4 divisors (see below), whose sum is σ = 996480. Its totient is φ = 990228.

The previous prime is 993341. The next prime is 993367. The reversal of 993353 is 353399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353399 = 101 ⋅3499.

It is a cyclic number.

It is not a de Polignac number, because 993353 - 2¹⁸ = 731209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (249120).

2⁹⁹³³⁵³ is an apocalyptic number.

It is an amenable number.

993353 is a deficient number, since it is larger than the sum of its proper divisors (3127).

993353 is a wasteful number, since it uses less digits than its factorization.

993353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126.

The product of its digits is 10935, while the sum is 32.

The square root of 993353 is about 996.6709587422. The cubic root of 993353 is about 99.7779405945. Note that the first 3 decimals are identical.

The spelling of 993353 in words is "nine hundred ninety-three thousand, three hundred fifty-three".