4431349 has 8 divisors (see below), whose sum is σ = 4802840. Its totient is φ = 4088448.

The previous prime is 4431311. The next prime is 4431367. The reversal of 4431349 is 9431344.

It can be written as a sum of positive squares in 4 ways, for example, as 656100 + 3775249 = 810^2 + 1943^2 .

It is not a de Polignac number, because 4431349 - 2⁹ = 4430837 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431149) 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, 1189 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (600355).

Almost surely, 2^4431349 is an apocalyptic number.

It is an amenable number.

4431349 is a deficient number, since it is larger than the sum of its proper divisors (371491).

4431349 is an equidigital number, since it uses as much as digits as its factorization.

4431349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2030 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 4431349 is about 2105.0769582132. The cubic root of 4431349 is about 164.2524987129.

The spelling of 4431349 in words is "four million, four hundred thirty-one thousand, three hundred forty-nine".