4549536 has 36 divisors (see below), whose sum is σ = 12938562. Its totient is φ = 1516416.

The previous prime is 4549511. The next prime is 4549537. The reversal of 4549536 is 6359454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3459600 + 1089936 = 1860^2 + 1044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4549536.

It is not an unprimeable number, because it can be changed into a prime (4549537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7611 + ... + 8186.

Almost surely, 2^4549536 is an apocalyptic number.

It is an amenable number.

4549536 is an abundant number, since it is smaller than the sum of its proper divisors (8389026).

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

4549536 is a wasteful number, since it uses less digits than its factorization.

4549536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15813 (or 15802 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 4549536 is about 2132.9641347196. The cubic root of 4549536 is about 165.6999466671.

The spelling of 4549536 in words is "four million, five hundred forty-nine thousand, five hundred thirty-six".