5811399 has 32 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 3312000.

The previous prime is 5811391. The next prime is 5811401. The reversal of 5811399 is 9931185.

It is a happy number.

5811399 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5811399 - 2³ = 5811391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5811391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4474 + ... + 5624.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^5811399 is an apocalyptic number.

5811399 is a deficient number, since it is larger than the sum of its proper divisors (4141881).

5811399 is a wasteful number, since it uses less digits than its factorization.

5811399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1182 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 5811399 is about 2410.6843426712. The cubic root of 5811399 is about 179.7878055066.

The spelling of 5811399 in words is "five million, eight hundred eleven thousand, three hundred ninety-nine".