5811428 has 12 divisors (see below), whose sum is σ = 11622912. Its totient is φ = 2490600.

The previous prime is 5811419. The next prime is 5811431. The reversal of 5811428 is 8241185.

5811428 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 5811428.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 103748 + ... + 103803.

It is an arithmetic number, because the mean of its divisors is an integer number (968576).

Almost surely, 2^5811428 is an apocalyptic number.

It is an amenable number.

5811428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5811428 is a wasteful number, since it uses less digits than its factorization.

5811428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207562 (or 207560 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 5811428 is about 2410.6903575532. The cubic root of 5811428 is about 179.7881045647.

The spelling of 5811428 in words is "five million, eight hundred eleven thousand, four hundred twenty-eight".