4491232 has 12 divisors (see below), whose sum is σ = 8842176. Its totient is φ = 2245600.

The previous prime is 4491217. The next prime is 4491241. The reversal of 4491232 is 2321944.

It is a junction number, because it is equal to n+sod(n) for n = 4491197 and 4491206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70144 + ... + 70207.

It is an arithmetic number, because the mean of its divisors is an integer number (736848).

Almost surely, 2^4491232 is an apocalyptic number.

It is an amenable number.

4491232 is a deficient number, since it is larger than the sum of its proper divisors (4350944).

4491232 is a wasteful number, since it uses less digits than its factorization.

4491232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140361 (or 140353 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 4491232 is about 2119.2526984765. The cubic root of 4491232 is about 164.9890656972.

It can be divided in two parts, 44912 and 32, that added together give a palindrome (44944).

The spelling of 4491232 in words is "four million, four hundred ninety-one thousand, two hundred thirty-two".