4509656 has 16 divisors (see below), whose sum is σ = 8823600. Its totient is φ = 2156704.

The previous prime is 4509647. The next prime is 4509667. The reversal of 4509656 is 6569054.

It is a happy number.

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

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, 12071 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (551475).

Almost surely, 2^4509656 is an apocalyptic number.

4509656 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4509656 is a deficient number, since it is larger than the sum of its proper divisors (4313944).

4509656 is a wasteful number, since it uses less digits than its factorization.

4509656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538 (or 24534 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 4509656 is about 2123.5950649783. The cubic root of 4509656 is about 165.2143647846.

The spelling of 4509656 in words is "four million, five hundred nine thousand, six hundred fifty-six".