4565849 has 4 divisors (see below), whose sum is σ = 4634064. Its totient is φ = 4497636.

The previous prime is 4565839. The next prime is 4565851. The reversal of 4565849 is 9485654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9485654 = 2 ⋅4742827.

It is a cyclic number.

It is not a de Polignac number, because 4565849 - 2²⁰ = 3517273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4565839) 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, 34007 + ... + 34140.

It is an arithmetic number, because the mean of its divisors is an integer number (1158516).

Almost surely, 2^4565849 is an apocalyptic number.

It is an amenable number.

4565849 is a deficient number, since it is larger than the sum of its proper divisors (68215).

4565849 is an equidigital number, since it uses as much as digits as its factorization.

4565849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68214.

The product of its digits is 172800, while the sum is 41.

The square root of 4565849 is about 2136.7847341274. The cubic root of 4565849 is about 165.8977572360.

The spelling of 4565849 in words is "four million, five hundred sixty-five thousand, eight hundred forty-nine".