4530644 has 6 divisors (see below), whose sum is σ = 7928634. Its totient is φ = 2265320.

The previous prime is 4530637. The next prime is 4530649. The reversal of 4530644 is 4460354.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 1932100 = 1612^2 + 1390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4530649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566327 + ... + 566334.

It is an arithmetic number, because the mean of its divisors is an integer number (1321439).

Almost surely, 2^4530644 is an apocalyptic number.

It is an amenable number.

4530644 is a deficient number, since it is larger than the sum of its proper divisors (3397990).

4530644 is a wasteful number, since it uses less digits than its factorization.

4530644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132665 (or 1132663 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4530644 is about 2128.5309488001. The cubic root of 4530644 is about 165.4702714923.

Adding to 4530644 its reverse (4460354), we get a palindrome (8990998).

It can be divided in two parts, 4530 and 644, that multiplied together give a triangular number (2917320 = T₂₄₁₅).

The spelling of 4530644 in words is "four million, five hundred thirty thousand, six hundred forty-four".