5981889 has 4 divisors (see below), whose sum is σ = 7975856. Its totient is φ = 3987924.

The previous prime is 5981887. The next prime is 5981891. The reversal of 5981889 is 9881895.

5981889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (5981887) and next prime (5981891).

It is not a de Polignac number, because 5981889 - 2¹ = 5981887 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5981887) 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, 996979 + ... + 996984.

It is an arithmetic number, because the mean of its divisors is an integer number (1993964).

Almost surely, 2^5981889 is an apocalyptic number.

It is an amenable number.

5981889 is a deficient number, since it is larger than the sum of its proper divisors (1993967).

5981889 is a wasteful number, since it uses less digits than its factorization.

5981889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993966.

The product of its digits is 207360, while the sum is 48.

The square root of 5981889 is about 2445.7900564030. The cubic root of 5981889 is about 181.5290423970.

The spelling of 5981889 in words is "five million, nine hundred eighty-one thousand, eight hundred eighty-nine".