9873993 has 4 divisors (see below), whose sum is σ = 13165328. Its totient is φ = 6582660.

The previous prime is 9873979. The next prime is 9874003. The reversal of 9873993 is 3993789.

9873993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 9873993 - 2¹⁴ = 9857609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9873943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645663 + ... + 1645668.

It is an arithmetic number, because the mean of its divisors is an integer number (3291332).

Almost surely, 2^9873993 is an apocalyptic number.

It is an amenable number.

9873993 is a deficient number, since it is larger than the sum of its proper divisors (3291335).

9873993 is a wasteful number, since it uses less digits than its factorization.

9873993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291334.

The product of its digits is 367416, while the sum is 48.

The square root of 9873993 is about 3142.2910431722. The cubic root of 9873993 is about 214.5347284852.

The spelling of 9873993 in words is "nine million, eight hundred seventy-three thousand, nine hundred ninety-three".