5811949 has 16 divisors (see below), whose sum is σ = 6914880. Its totient is φ = 4815360.

The previous prime is 5811937. The next prime is 5811959. The reversal of 5811949 is 9491185.

It is not a de Polignac number, because 5811949 - 2⁵ = 5811917 is a prime.

It is a Duffinian number.

Its product of digits (12960) is a multiple of the sum of its prime divisors (540).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13662 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (432180).

Almost surely, 2^5811949 is an apocalyptic number.

It is an amenable number.

5811949 is a deficient number, since it is larger than the sum of its proper divisors (1102931).

5811949 is a wasteful number, since it uses less digits than its factorization.

5811949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 12960, while the sum is 37.

The square root of 5811949 is about 2410.7984154632. The cubic root of 5811949 is about 179.7934771285.

The spelling of 5811949 in words is "five million, eight hundred eleven thousand, nine hundred forty-nine".