9973789 has 8 divisors (see below), whose sum is σ = 11894400. Its totient is φ = 8177136.

The previous prime is 9973763. The next prime is 9973793. The reversal of 9973789 is 9873799.

9973789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9973789 is a prime.

9973789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973489) 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, 30814 + ... + 31135.

It is an arithmetic number, because the mean of its divisors is an integer number (1486800).

Almost surely, 2^9973789 is an apocalyptic number.

It is an amenable number.

9973789 is a deficient number, since it is larger than the sum of its proper divisors (1920611).

9973789 is a wasteful number, since it uses less digits than its factorization.

9973789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61979.

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

The square root of 9973789 is about 3158.1306179447. The cubic root of 9973789 is about 215.2550713453.

The spelling of 9973789 in words is "nine million, nine hundred seventy-three thousand, seven hundred eighty-nine".