9949973 has 8 divisors (see below), whose sum is σ = 11004096. Its totient is φ = 8920800.

The previous prime is 9949967. The next prime is 9950021. The reversal of 9949973 is 3799499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9949973 - 2⁶ = 9949909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949943) 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 7 ways as a sum of consecutive naturals, for example, 5393 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (1375512).

Almost surely, 2^9949973 is an apocalyptic number.

It is an amenable number.

9949973 is a deficient number, since it is larger than the sum of its proper divisors (1054123).

9949973 is a wasteful number, since it uses less digits than its factorization.

9949973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475.

The product of its digits is 551124, while the sum is 50.

The square root of 9949973 is about 3154.3577793269. The cubic root of 9949973 is about 215.0836018845.

The spelling of 9949973 in words is "nine million, nine hundred forty-nine thousand, nine hundred seventy-three".