4509872 has 10 divisors (see below), whose sum is σ = 8737908. Its totient is φ = 2254928.

The previous prime is 4509853. The next prime is 4509881. The reversal of 4509872 is 2789054.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140918 + ... + 140949.

Almost surely, 2^4509872 is an apocalyptic number.

It is an amenable number.

4509872 is a deficient number, since it is larger than the sum of its proper divisors (4228036).

4509872 is a wasteful number, since it uses less digits than its factorization.

4509872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281875 (or 281869 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4509872 is about 2123.6459215227. The cubic root of 4509872 is about 165.2170025122.

The spelling of 4509872 in words is "four million, five hundred nine thousand, eight hundred seventy-two".