4894891 has 4 divisors (see below), whose sum is σ = 4902352. Its totient is φ = 4887432.

The previous prime is 4894889. The next prime is 4894933. The reversal of 4894891 is 1984984.

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 4894891 - 2¹ = 4894889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4894871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (1225588).

Almost surely, 2^4894891 is an apocalyptic number.

4894891 is a deficient number, since it is larger than the sum of its proper divisors (7461).

4894891 is an equidigital number, since it uses as much as digits as its factorization.

4894891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460.

The product of its digits is 82944, while the sum is 43.

The square root of 4894891 is about 2212.4400556851. The cubic root of 4894891 is about 169.7908731810.

The spelling of 4894891 in words is "four million, eight hundred ninety-four thousand, eight hundred ninety-one".