9973807 has 8 divisors (see below), whose sum is σ = 10275584. Its totient is φ = 9675288.

The previous prime is 9973793. The next prime is 9973811. The reversal of 9973807 is 7083799.

9973807 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 not a de Polignac number, because 9973807 - 2¹⁹ = 9449519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973837) 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, 6298 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (1284448).

Almost surely, 2^9973807 is an apocalyptic number.

9973807 is a deficient number, since it is larger than the sum of its proper divisors (301777).

9973807 is a wasteful number, since it uses less digits than its factorization.

9973807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 9973807 is about 3158.1334677306. The cubic root of 9973807 is about 215.2552008377.

The spelling of 9973807 in words is "nine million, nine hundred seventy-three thousand, eight hundred seven".