4506891 has 4 divisors (see below), whose sum is σ = 6009192. Its totient is φ = 3004592.

The previous prime is 4506869. The next prime is 4506893. The reversal of 4506891 is 1986054.

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

It is a cyclic number.

It is not a de Polignac number, because 4506891 - 2⁷ = 4506763 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4506893) 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, 751146 + ... + 751151.

It is an arithmetic number, because the mean of its divisors is an integer number (1502298).

Almost surely, 2^4506891 is an apocalyptic number.

4506891 is a deficient number, since it is larger than the sum of its proper divisors (1502301).

4506891 is a wasteful number, since it uses less digits than its factorization.

4506891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502300.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4506891 is about 2122.9439465045. The cubic root of 4506891 is about 165.1805919859.

The spelling of 4506891 in words is "four million, five hundred six thousand, eight hundred ninety-one".