9993311 has 4 divisors (see below), whose sum is σ = 10045824. Its totient is φ = 9940800.

The previous prime is 9993289. The next prime is 9993317. The reversal of 9993311 is 1133999.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1133999 = 313 ⋅3623.

It is a cyclic number.

It is not a de Polignac number, because 9993311 - 2¹⁴ = 9976927 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993317) 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, 25970 + ... + 26351.

It is an arithmetic number, because the mean of its divisors is an integer number (2511456).

Almost surely, 2^9993311 is an apocalyptic number.

9993311 is a deficient number, since it is larger than the sum of its proper divisors (52513).

9993311 is a wasteful number, since it uses less digits than its factorization.

9993311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52512.

The product of its digits is 6561, while the sum is 35.

The square root of 9993311 is about 3161.2198594846. The cubic root of 9993311 is about 215.3954215765.

The spelling of 9993311 in words is "nine million, nine hundred ninety-three thousand, three hundred eleven".