9973799 has 8 divisors (see below), whose sum is σ = 10987392. Its totient is φ = 8978040.

The previous prime is 9973793. The next prime is 9973811.

9973799 is nontrivially palindromic in base 10.

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 9973799 - 2¹² = 9969703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9973799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (1373424).

Almost surely, 2^9973799 is an apocalyptic number.

9973799 is a deficient number, since it is larger than the sum of its proper divisors (1013593).

9973799 is a wasteful number, since it uses less digits than its factorization.

9973799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917.

The product of its digits is 964467, while the sum is 53.

The square root of 9973799 is about 3158.1322011594. The cubic root of 9973799 is about 215.2551432855.

The spelling of 9973799 in words is "nine million, nine hundred seventy-three thousand, seven hundred ninety-nine".