4493181 has 32 divisors (see below), whose sum is σ = 7630848. Its totient is φ = 2283840.

The previous prime is 4493179. The next prime is 4493197. The reversal of 4493181 is 1813944.

It is a happy number.

It is not a de Polignac number, because 4493181 - 2¹ = 4493179 is a prime.

It is a super-2 number, since 2×4493181² = 40377350997522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493081) 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 31 ways as a sum of consecutive naturals, for example, 12060 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (238464).

Almost surely, 2^4493181 is an apocalyptic number.

It is an amenable number.

4493181 is a deficient number, since it is larger than the sum of its proper divisors (3137667).

4493181 is a wasteful number, since it uses less digits than its factorization.

4493181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 3456, while the sum is 30.

The square root of 4493181 is about 2119.7124805030. The cubic root of 4493181 is about 165.0129282799.

The spelling of 4493181 in words is "four million, four hundred ninety-three thousand, one hundred eighty-one".