4164691 has 4 divisors (see below), whose sum is σ = 4214952. Its totient is φ = 4114432.

The previous prime is 4164673. The next prime is 4164697. The reversal of 4164691 is 1964614.

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 4164691 - 2⁹ = 4164179 is a prime.

It is a super-2 number, since 2×4164691² = 34689302250962, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

4164691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4164697) 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, 25006 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (1053738).

Almost surely, 2^4164691 is an apocalyptic number.

4164691 is a deficient number, since it is larger than the sum of its proper divisors (50261).

4164691 is an equidigital number, since it uses as much as digits as its factorization.

4164691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50260.

The product of its digits is 5184, while the sum is 31.

The square root of 4164691 is about 2040.7574574162. The cubic root of 4164691 is about 160.8894602775.

The spelling of 4164691 in words is "four million, one hundred sixty-four thousand, six hundred ninety-one".