4544536 has 16 divisors (see below), whose sum is σ = 8544600. Its totient is φ = 2265984.

The previous prime is 4544513. The next prime is 4544539. The reversal of 4544536 is 6354454.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4544498 and 4544507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000 + ... + 5008.

Almost surely, 2^4544536 is an apocalyptic number.

It is an amenable number.

4544536 is a deficient number, since it is larger than the sum of its proper divisors (4000064).

4544536 is a wasteful number, since it uses less digits than its factorization.

4544536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1574 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 4544536 is about 2131.7917346683. The cubic root of 4544536 is about 165.6392222746.

The spelling of 4544536 in words is "four million, five hundred forty-four thousand, five hundred thirty-six".