4328644 has 6 divisors (see below), whose sum is σ = 7575134. Its totient is φ = 2164320.

The previous prime is 4328641. The next prime is 4328671. The reversal of 4328644 is 4468234.

It can be written as a sum of positive squares in only one way, i.e., 3496900 + 831744 = 1870^2 + 912^2 .

It is not an unprimeable number, because it can be changed into a prime (4328641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541077 + ... + 541084.

Almost surely, 2^4328644 is an apocalyptic number.

It is an amenable number.

4328644 is a deficient number, since it is larger than the sum of its proper divisors (3246490).

4328644 is a wasteful number, since it uses less digits than its factorization.

4328644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082165 (or 1082163 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 4328644 is about 2080.5393531486. The cubic root of 4328644 is about 162.9736115963.

The spelling of 4328644 in words is "four million, three hundred twenty-eight thousand, six hundred forty-four".