4578489 has 12 divisors (see below), whose sum is σ = 6647472. Its totient is φ = 3036600.

The previous prime is 4578481. The next prime is 4578493. The reversal of 4578489 is 9848754.

It is not a de Polignac number, because 4578489 - 2³ = 4578481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4578481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694 + ... + 3104.

It is an arithmetic number, because the mean of its divisors is an integer number (553956).

Almost surely, 2^4578489 is an apocalyptic number.

It is an amenable number.

4578489 is a deficient number, since it is larger than the sum of its proper divisors (2068983).

4578489 is a wasteful number, since it uses less digits than its factorization.

4578489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2625 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4578489 is about 2139.7404048155. The cubic root of 4578489 is about 166.0507054663.

The spelling of 4578489 in words is "four million, five hundred seventy-eight thousand, four hundred eighty-nine".