4564889 has 12 divisors (see below), whose sum is σ = 5403600. Its totient is φ = 3844008.

The previous prime is 4564877. The next prime is 4564907. The reversal of 4564889 is 9884654.

It is a happy number.

It is not a de Polignac number, because 4564889 - 2⁴ = 4564873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4564829) 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, 2102 + ... + 3680.

It is an arithmetic number, because the mean of its divisors is an integer number (450300).

Almost surely, 2^4564889 is an apocalyptic number.

4564889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4564889 is a deficient number, since it is larger than the sum of its proper divisors (838711).

4564889 is a wasteful number, since it uses less digits than its factorization.

4564889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1645 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 4564889 is about 2136.5600857453. The cubic root of 4564889 is about 165.8861293868.

The spelling of 4564889 in words is "four million, five hundred sixty-four thousand, eight hundred eighty-nine".