9980801 has 4 divisors (see below), whose sum is σ = 10169172. Its totient is φ = 9792432.

The previous prime is 9980777. The next prime is 9980813. The reversal of 9980801 is 1080899.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 6076225 = 1976^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980801 - 2¹⁰ = 9979777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9982801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94106 + ... + 94211.

It is an arithmetic number, because the mean of its divisors is an integer number (2542293).

Almost surely, 2^9980801 is an apocalyptic number.

It is an amenable number.

9980801 is a deficient number, since it is larger than the sum of its proper divisors (188371).

9980801 is a wasteful number, since it uses less digits than its factorization.

9980801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188370.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 9980801 is about 3159.2405733024. The cubic root of 9980801 is about 215.3055040338.

The spelling of 9980801 in words is "nine million, nine hundred eighty thousand, eight hundred one".