9873761 has 4 divisors (see below), whose sum is σ = 10009092. Its totient is φ = 9738432.

The previous prime is 9873751. The next prime is 9873767. The reversal of 9873761 is 1673789.

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 5973136 + 3900625 = 2444^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 9873761 - 2⁶ = 9873697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9873767) 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, 67556 + ... + 67701.

It is an arithmetic number, because the mean of its divisors is an integer number (2502273).

Almost surely, 2^9873761 is an apocalyptic number.

It is an amenable number.

9873761 is a deficient number, since it is larger than the sum of its proper divisors (135331).

9873761 is a wasteful number, since it uses less digits than its factorization.

9873761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135330.

The product of its digits is 63504, while the sum is 41.

The square root of 9873761 is about 3142.2541272150. The cubic root of 9873761 is about 214.5330482312.

The spelling of 9873761 in words is "nine million, eight hundred seventy-three thousand, seven hundred sixty-one".