4971191 has 8 divisors (see below), whose sum is σ = 5433984. Its totient is φ = 4527360.

The previous prime is 4971181. The next prime is 4971193. The reversal of 4971191 is 1911794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4971191 - 2²² = 776887 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 (4971193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (679248).

Almost surely, 2^4971191 is an apocalyptic number.

4971191 is a deficient number, since it is larger than the sum of its proper divisors (462793).

4971191 is a wasteful number, since it uses less digits than its factorization.

4971191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481.

The product of its digits is 2268, while the sum is 32.

The square root of 4971191 is about 2229.6167832163. The cubic root of 4971191 is about 170.6685439009.

The spelling of 4971191 in words is "four million, nine hundred seventy-one thousand, one hundred ninety-one".