9973311 has 4 divisors (see below), whose sum is σ = 13297752. Its totient is φ = 6648872.

The previous prime is 9973307. The next prime is 9973321. The reversal of 9973311 is 1133799.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9973311 - 2² = 9973307 is a prime.

9973311 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662216 + ... + 1662221.

It is an arithmetic number, because the mean of its divisors is an integer number (3324438).

Almost surely, 2^9973311 is an apocalyptic number.

9973311 is a deficient number, since it is larger than the sum of its proper divisors (3324441).

9973311 is a wasteful number, since it uses less digits than its factorization.

9973311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324440.

The product of its digits is 5103, while the sum is 33.

The square root of 9973311 is about 3158.0549393575. The cubic root of 9973311 is about 215.2516325463.

The spelling of 9973311 in words is "nine million, nine hundred seventy-three thousand, three hundred eleven".