4856191 has 4 divisors (see below), whose sum is σ = 5111800. Its totient is φ = 4600584.

The previous prime is 4856183. The next prime is 4856207. The reversal of 4856191 is 1916584.

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

It is not a de Polignac number, because 4856191 - 2³ = 4856183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4856161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127776 + ... + 127813.

It is an arithmetic number, because the mean of its divisors is an integer number (1277950).

Almost surely, 2^4856191 is an apocalyptic number.

4856191 is a deficient number, since it is larger than the sum of its proper divisors (255609).

4856191 is a wasteful number, since it uses less digits than its factorization.

4856191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255608.

The product of its digits is 8640, while the sum is 34.

The square root of 4856191 is about 2203.6767004259. The cubic root of 4856191 is about 169.3422217040.

The spelling of 4856191 in words is "four million, eight hundred fifty-six thousand, one hundred ninety-one".