4258989 has 24 divisors (see below), whose sum is σ = 7142720. Its totient is φ = 2395008.

The previous prime is 4258987. The next prime is 4259053. The reversal of 4258989 is 9898524.

It is not a de Polignac number, because 4258989 - 2¹ = 4258987 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 (4258987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3717 + ... + 4725.

Almost surely, 2^4258989 is an apocalyptic number.

It is an amenable number.

4258989 is a deficient number, since it is larger than the sum of its proper divisors (2883731).

4258989 is a wasteful number, since it uses less digits than its factorization.

4258989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1086 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4258989 is about 2063.7318139720. The cubic root of 4258989 is about 162.0947091376.

The spelling of 4258989 in words is "four million, two hundred fifty-eight thousand, nine hundred eighty-nine".