5689989 has 6 divisors (see below), whose sum is σ = 8218886. Its totient is φ = 3793320.

The previous prime is 5689973. The next prime is 5689991. The reversal of 5689989 is 9899865.

It can be written as a sum of positive squares in only one way, i.e., 5688225 + 1764 = 2385^2 + 42^2 .

It is not a de Polignac number, because 5689989 - 2⁴ = 5689973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5689289) 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 5 ways as a sum of consecutive naturals, for example, 316102 + ... + 316119.

Almost surely, 2^5689989 is an apocalyptic number.

It is an amenable number.

5689989 is a deficient number, since it is larger than the sum of its proper divisors (2528897).

5689989 is a wasteful number, since it uses less digits than its factorization.

5689989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632227 (or 632224 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 5689989 is about 2385.3697826543. The cubic root of 5689989 is about 178.5269596546.

The spelling of 5689989 in words is "five million, six hundred eighty-nine thousand, nine hundred eighty-nine".