9804131 has 4 divisors (see below), whose sum is σ = 9875832. Its totient is φ = 9732432.

The previous prime is 9804107. The next prime is 9804143. The reversal of 9804131 is 1314089.

9804131 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 9804131 - 2²² = 5609827 is a prime.

It is a super-2 number, since 2×9804131² = 192241969330322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9804131.

It is not an unprimeable number, because it can be changed into a prime (9804101) 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, 35645 + ... + 35918.

It is an arithmetic number, because the mean of its divisors is an integer number (2468958).

Almost surely, 2^9804131 is an apocalyptic number.

9804131 is a deficient number, since it is larger than the sum of its proper divisors (71701).

9804131 is a wasteful number, since it uses less digits than its factorization.

9804131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71700.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 9804131 is about 3131.1548987554. The cubic root of 9804131 is about 214.0275607209.

The spelling of 9804131 in words is "nine million, eight hundred four thousand, one hundred thirty-one".