5991489 has 20 divisors (see below), whose sum is σ = 10229824. Its totient is φ = 3423384.

The previous prime is 5991473. The next prime is 5991533. The reversal of 5991489 is 9841995.

It is not a de Polignac number, because 5991489 - 2⁴ = 5991473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5991449) 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 19 ways as a sum of consecutive naturals, for example, 4717 + ... + 5850.

Almost surely, 2^5991489 is an apocalyptic number.

It is an amenable number.

5991489 is a deficient number, since it is larger than the sum of its proper divisors (4238335).

5991489 is a wasteful number, since it uses less digits than its factorization.

5991489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586 (or 10577 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 5991489 is about 2447.7518256555. The cubic root of 5991489 is about 181.6260991069.

The spelling of 5991489 in words is "five million, nine hundred ninety-one thousand, four hundred eighty-nine".