4509632 has 28 divisors (see below), whose sum is σ = 9241536. Its totient is φ = 2181120.

The previous prime is 4509623. The next prime is 4509647. The reversal of 4509632 is 2369054.

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

It is a junction number, because it is equal to n+sod(n) for n = 4509595 and 4509604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848 + ... + 3120.

Almost surely, 2^4509632 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 4509632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4620768).

4509632 is an abundant number, since it is smaller than the sum of its proper divisors (4731904).

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

4509632 is a wasteful number, since it uses less digits than its factorization.

4509632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4509632 is about 2123.5894141759. The cubic root of 4509632 is about 165.2140716985.

The spelling of 4509632 in words is "four million, five hundred nine thousand, six hundred thirty-two".