4509036 has 72 divisors (see below), whose sum is σ = 13497120. Its totient is φ = 1241856.

The previous prime is 4509019. The next prime is 4509047. The reversal of 4509036 is 6309054.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7000 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (187460).

Almost surely, 2^4509036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4509036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6748560).

4509036 is an abundant number, since it is smaller than the sum of its proper divisors (8988084).

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

4509036 is a wasteful number, since it uses less digits than its factorization.

4509036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 4509036 is about 2123.4490810942. The cubic root of 4509036 is about 165.2067930614.

The spelling of 4509036 in words is "four million, five hundred nine thousand, thirty-six".