4911691 has 12 divisors (see below), whose sum is σ = 5353992. Its totient is φ = 4489664.

The previous prime is 4911661. The next prime is 4911707. The reversal of 4911691 is 1961194.

It is not a de Polignac number, because 4911691 - 2¹¹ = 4909643 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 (4911601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59136 + ... + 59218.

It is an arithmetic number, because the mean of its divisors is an integer number (446166).

Almost surely, 2^4911691 is an apocalyptic number.

4911691 is a deficient number, since it is larger than the sum of its proper divisors (442301).

4911691 is an equidigital number, since it uses as much as digits as its factorization.

4911691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 159 counting only the distinct ones).

The product of its digits is 1944, while the sum is 31.

The square root of 4911691 is about 2216.2335165772. The cubic root of 4911691 is about 169.9849006197.

The spelling of 4911691 in words is "four million, nine hundred eleven thousand, six hundred ninety-one".