4431348 has 72 divisors (see below), whose sum is σ = 11985792. Its totient is φ = 1430784.

The previous prime is 4431311. The next prime is 4431367. The reversal of 4431348 is 8431344.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 45636 + ... + 45732.

Almost surely, 2^4431348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4431348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5992896).

4431348 is an abundant number, since it is smaller than the sum of its proper divisors (7554444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4431348 is a wasteful number, since it uses less digits than its factorization.

4431348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 149 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4431348 is about 2105.0767206921. The cubic root of 4431348 is about 164.2524863576.

The spelling of 4431348 in words is "four million, four hundred thirty-one thousand, three hundred forty-eight".