5911889 has 4 divisors (see below), whose sum is σ = 5921520. Its totient is φ = 5902260.

The previous prime is 5911883. The next prime is 5911901. The reversal of 5911889 is 9881195.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9881195 = 5 ⋅1976239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5911889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5911883) 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 3 ways as a sum of consecutive naturals, for example, 3827 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (1480380).

Almost surely, 2^5911889 is an apocalyptic number.

It is an amenable number.

5911889 is a deficient number, since it is larger than the sum of its proper divisors (9631).

5911889 is an equidigital number, since it uses as much as digits as its factorization.

5911889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9630.

The product of its digits is 25920, while the sum is 41.

The square root of 5911889 is about 2431.4376405740. The cubic root of 5911889 is about 180.8181786777.

The spelling of 5911889 in words is "five million, nine hundred eleven thousand, eight hundred eighty-nine".