9800005 has 8 divisors (see below), whose sum is σ = 12078072. Its totient is φ = 7627968.

The previous prime is 9800003. The next prime is 9800009. The reversal of 9800005 is 5000089.

It can be written as a sum of positive squares in 4 ways, for example, as 4809249 + 4990756 = 2193^2 + 2234^2 .

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 9800005 - 2¹ = 9800003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800003) 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, 26302 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (1509759).

Almost surely, 2^9800005 is an apocalyptic number.

It is an amenable number.

9800005 is a deficient number, since it is larger than the sum of its proper divisors (2278067).

9800005 is a wasteful number, since it uses less digits than its factorization.

9800005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53015.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9800005 is about 3130.4959670953. The cubic root of 9800005 is about 213.9975325071.

The spelling of 9800005 in words is "nine million, eight hundred thousand, five".