5811849 has 24 divisors (see below), whose sum is σ = 8915712. Its totient is φ = 3641760.

The previous prime is 5811833. The next prime is 5811863. The reversal of 5811849 is 9481185.

It is not a de Polignac number, because 5811849 - 2⁴ = 5811833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5811829) 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 23 ways as a sum of consecutive naturals, for example, 10042 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (371488).

Almost surely, 2^5811849 is an apocalyptic number.

It is an amenable number.

5811849 is a deficient number, since it is larger than the sum of its proper divisors (3103863).

5811849 is a wasteful number, since it uses less digits than its factorization.

5811849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 634 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 5811849 is about 2410.7776753571. Note that the first 3 decimals coincide. The cubic root of 5811849 is about 179.7924459512.

The spelling of 5811849 in words is "five million, eight hundred eleven thousand, eight hundred forty-nine".