4184491 has 4 divisors (see below), whose sum is σ = 4189752. Its totient is φ = 4179232.

The previous prime is 4184443. The next prime is 4184507. The reversal of 4184491 is 1944814.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1944814 = 2 ⋅972407.

It is a cyclic number.

It is not a de Polignac number, because 4184491 - 2²¹ = 2087339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4184591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (1047438).

Almost surely, 2^4184491 is an apocalyptic number.

4184491 is a deficient number, since it is larger than the sum of its proper divisors (5261).

4184491 is an equidigital number, since it uses as much as digits as its factorization.

4184491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260.

The product of its digits is 4608, while the sum is 31.

The square root of 4184491 is about 2045.6028451290. The cubic root of 4184491 is about 161.1440270792.

The spelling of 4184491 in words is "four million, one hundred eighty-four thousand, four hundred ninety-one".