11831849 has 2 divisors, whose sum is σ = 11831850. Its totient is φ = 11831848.

The previous prime is 11831839. The next prime is 11831857. The reversal of 11831849 is 94813811.

11831849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7252249 + 4579600 = 2693^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11831849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₇₇₇₇₂₅ and since 11831849 and 777725 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11831839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5915924 + 5915925.

It is an arithmetic number, because the mean of its divisors is an integer number (5915925).

Almost surely, 2^11831849 is an apocalyptic number.

It is an amenable number.

11831849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11831849 is an equidigital number, since it uses as much as digits as its factorization.

11831849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 35.

The square root of 11831849 is about 3439.7454847706. The cubic root of 11831849 is about 227.8684541791.

The spelling of 11831849 in words is "eleven million, eight hundred thirty-one thousand, eight hundred forty-nine".