4451232 has 48 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 1469952.

The previous prime is 4451219. The next prime is 4451257. The reversal of 4451232 is 2321544.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4451199 and 4451208.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18988 + ... + 19220.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^4451232 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 4451232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5896800).

4451232 is an abundant number, since it is smaller than the sum of its proper divisors (7342368).

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

4451232 is a wasteful number, since it uses less digits than its factorization.

4451232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 437 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 4451232 is about 2109.7943027698. The cubic root of 4451232 is about 164.4977934744.

Adding to 4451232 its reverse (2321544), we get a palindrome (6772776).

It can be divided in two parts, 44512 and 32, that added together give a palindrome (44544).

The spelling of 4451232 in words is "four million, four hundred fifty-one thousand, two hundred thirty-two".