4911911 has 4 divisors (see below), whose sum is σ = 4918872. Its totient is φ = 4904952.

The previous prime is 4911901. The next prime is 4911931. The reversal of 4911911 is 1191194.

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 4911911 - 2¹⁰ = 4910887 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 (4911901) 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, 2285 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (1229718).

Almost surely, 2^4911911 is an apocalyptic number.

4911911 is a deficient number, since it is larger than the sum of its proper divisors (6961).

4911911 is an equidigital number, since it uses as much as digits as its factorization.

4911911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6960.

The product of its digits is 324, while the sum is 26.

The square root of 4911911 is about 2216.2831497803. The cubic root of 4911911 is about 169.9874385182.

The spelling of 4911911 in words is "four million, nine hundred eleven thousand, nine hundred eleven".