9999293 has 4 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 9983100.

The previous prime is 9999289. The next prime is 9999299. The reversal of 9999293 is 3929999.

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: 3929999 = 47 ⋅83617.

It is a cyclic number.

It is not a de Polignac number, because 9999293 - 2² = 9999289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999299) 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, 7133 + ... + 8418.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872).

Almost surely, 2^9999293 is an apocalyptic number.

It is an amenable number.

9999293 is a deficient number, since it is larger than the sum of its proper divisors (16195).

9999293 is a wasteful number, since it uses less digits than its factorization.

9999293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16194.

The product of its digits is 354294, while the sum is 50.

The square root of 9999293 is about 3162.1658716772. The cubic root of 9999293 is about 215.4383915991.

The spelling of 9999293 in words is "nine million, nine hundred ninety-nine thousand, two hundred ninety-three".