9808261 has 4 divisors (see below), whose sum is σ = 9870892. Its totient is φ = 9745632.

The previous prime is 9808259. The next prime is 9808291. The reversal of 9808261 is 1628089.

9808261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3976036 + 5832225 = 1994^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 9808261 - 2¹ = 9808259 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 (9808231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31080 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (2467723).

Almost surely, 2^9808261 is an apocalyptic number.

It is an amenable number.

9808261 is a deficient number, since it is larger than the sum of its proper divisors (62631).

9808261 is a wasteful number, since it uses less digits than its factorization.

9808261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62630.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 9808261 is about 3131.8143303842. The cubic root of 9808261 is about 214.0576096100.

The spelling of 9808261 in words is "nine million, eight hundred eight thousand, two hundred sixty-one".