9973798 has 16 divisors (see below), whose sum is σ = 15921360. Its totient is φ = 4669696.

The previous prime is 9973793. The next prime is 9973811. The reversal of 9973798 is 8973799.

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, 7293 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (995085).

Almost surely, 2^9973798 is an apocalyptic number.

9973798 is a deficient number, since it is larger than the sum of its proper divisors (5947562).

9973798 is a wasteful number, since it uses less digits than its factorization.

9973798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its digits is 857304, while the sum is 52.

The square root of 9973798 is about 3158.1320428380. The cubic root of 9973798 is about 215.2551360915.

Subtracting from 9973798 its reverse (8973799), we obtain a palindrome (999999).

The spelling of 9973798 in words is "nine million, nine hundred seventy-three thousand, seven hundred ninety-eight".