4431448 has 16 divisors (see below), whose sum is σ = 9496080. Its totient is φ = 1899168.

The previous prime is 4431443. The next prime is 4431457. The reversal of 4431448 is 8441344.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39511 + ... + 39622.

It is an arithmetic number, because the mean of its divisors is an integer number (593505).

Almost surely, 2^4431448 is an apocalyptic number.

It is an amenable number.

4431448 is an abundant number, since it is smaller than the sum of its proper divisors (5064632).

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

4431448 is a wasteful number, since it uses less digits than its factorization.

4431448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79146 (or 79142 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 4431448 is about 2105.1004726616. The cubic root of 4431448 is about 164.2537218827.

It can be divided in two parts, 443 and 1448, that added together give a triangular number (1891 = T₆₁).

The spelling of 4431448 in words is "four million, four hundred thirty-one thousand, four hundred forty-eight".