4564789 has 4 divisors (see below), whose sum is σ = 4833324. Its totient is φ = 4296256.

The previous prime is 4564759. The next prime is 4564793. The reversal of 4564789 is 9874654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 731025 = 1958^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 4564789 - 2⁵ = 4564757 is a prime.

It is a super-2 number, since 2×4564789² = 41674597229042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134242 + ... + 134275.

It is an arithmetic number, because the mean of its divisors is an integer number (1208331).

Almost surely, 2^4564789 is an apocalyptic number.

It is an amenable number.

4564789 is a deficient number, since it is larger than the sum of its proper divisors (268535).

4564789 is a wasteful number, since it uses less digits than its factorization.

4564789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268534.

The product of its digits is 241920, while the sum is 43.

The square root of 4564789 is about 2136.5366835138. The cubic root of 4564789 is about 165.8849180588.

The spelling of 4564789 in words is "four million, five hundred sixty-four thousand, seven hundred eighty-nine".