9131841 has 6 divisors (see below), whose sum is σ = 13190450. Its totient is φ = 6087888.

The previous prime is 9131831. The next prime is 9131849. The reversal of 9131841 is 1481319.

It can be written as a sum of positive squares in only one way, i.e., 9090225 + 41616 = 3015^2 + 204^2 .

It is not a de Polignac number, because 9131841 - 2⁵ = 9131809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9131849) 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 5 ways as a sum of consecutive naturals, for example, 507316 + ... + 507333.

Almost surely, 2^9131841 is an apocalyptic number.

It is an amenable number.

9131841 is a deficient number, since it is larger than the sum of its proper divisors (4058609).

9131841 is a wasteful number, since it uses less digits than its factorization.

9131841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014655 (or 1014652 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 9131841 is about 3021.8936116283. The cubic root of 9131841 is about 209.0191675224.

The spelling of 9131841 in words is "nine million, one hundred thirty-one thousand, eight hundred forty-one".