5989643 has 4 divisors (see below), whose sum is σ = 6534168. Its totient is φ = 5445120.

The previous prime is 5989639. The next prime is 5989663. The reversal of 5989643 is 3469895.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5989643 - 2² = 5989639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5989594 and 5989603.

It is not an unprimeable number, because it can be changed into a prime (5989663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272246 + ... + 272267.

It is an arithmetic number, because the mean of its divisors is an integer number (1633542).

Almost surely, 2^5989643 is an apocalyptic number.

5989643 is a deficient number, since it is larger than the sum of its proper divisors (544525).

5989643 is a wasteful number, since it uses less digits than its factorization.

5989643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544524.

The product of its digits is 233280, while the sum is 44.

The square root of 5989643 is about 2447.3747158946. The cubic root of 5989643 is about 181.6074439657.

The spelling of 5989643 in words is "five million, nine hundred eighty-nine thousand, six hundred forty-three".