4555989 has 12 divisors (see below), whose sum is σ = 6600672. Its totient is φ = 3028200.

The previous prime is 4555937. The next prime is 4555997. The reversal of 4555989 is 9895554.

4555989 is a `hidden beast` number, since 4 + 55 + 598 + 9 = 666.

It is not a de Polignac number, because 4555989 - 2¹⁵ = 4523221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3904 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (550056).

Almost surely, 2^4555989 is an apocalyptic number.

It is an amenable number.

4555989 is a deficient number, since it is larger than the sum of its proper divisors (2044683).

4555989 is a wasteful number, since it uses less digits than its factorization.

4555989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1525 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 4555989 is about 2134.4762823700. The cubic root of 4555989 is about 165.7782518402.

The spelling of 4555989 in words is "four million, five hundred fifty-five thousand, nine hundred eighty-nine".