4608989 has 24 divisors (see below), whose sum is σ = 6205248. Its totient is φ = 3373440.

The previous prime is 4608983. The next prime is 4609009. The reversal of 4608989 is 9898064.

4608989 = T₄₀₉ + T₄₁₀ + ... + T₄₅₇.

It is a de Polignac number, because none of the positive numbers 2^k-4608989 is a prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4608983) 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 23 ways as a sum of consecutive naturals, for example, 8912 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^4608989 is an apocalyptic number.

4608989 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4608989 is a deficient number, since it is larger than the sum of its proper divisors (1596259).

4608989 is a wasteful number, since it uses less digits than its factorization.

4608989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 4608989 is about 2146.8556076271. The cubic root of 4608989 is about 166.4186101019.

It can be divided in two parts, 460 and 8989, that added together give a palindrome (9449).

The spelling of 4608989 in words is "four million, six hundred eight thousand, nine hundred eighty-nine".