4849891 has 4 divisors (see below), whose sum is σ = 4855392. Its totient is φ = 4844392.

The previous prime is 4849861. The next prime is 4849907. The reversal of 4849891 is 1989484.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4849891 - 2⁹ = 4849379 is a prime.

It is a Duffinian number.

4849891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4849861) 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, 1096 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (1213848).

Almost surely, 2^4849891 is an apocalyptic number.

4849891 is a deficient number, since it is larger than the sum of its proper divisors (5501).

4849891 is a wasteful number, since it uses less digits than its factorization.

4849891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500.

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

The square root of 4849891 is about 2202.2468072403. The cubic root of 4849891 is about 169.2689600552.

The spelling of 4849891 in words is "four million, eight hundred forty-nine thousand, eight hundred ninety-one".