5811916 has 24 divisors (see below), whose sum is σ = 11579904. Its totient is φ = 2526480.

The previous prime is 5811907. The next prime is 5811917. The reversal of 5811916 is 6191185.

It is not an unprimeable number, because it can be changed into a prime (5811917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (482496).

Almost surely, 2^5811916 is an apocalyptic number.

It is an amenable number.

5811916 is a deficient number, since it is larger than the sum of its proper divisors (5767988).

5811916 is a wasteful number, since it uses less digits than its factorization.

5811916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781 (or 5779 counting only the distinct ones).

The product of its digits is 2160, while the sum is 31.

The square root of 5811916 is about 2410.7915712479. The cubic root of 5811916 is about 179.7931368413.

The spelling of 5811916 in words is "five million, eight hundred eleven thousand, nine hundred sixteen".