4508840 has 32 divisors (see below), whose sum is σ = 11594880. Its totient is φ = 1545792.

The previous prime is 4508821. The next prime is 4508843. The reversal of 4508840 is 488054.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4508843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7772 + ... + 8331.

It is an arithmetic number, because the mean of its divisors is an integer number (362340).

Almost surely, 2^4508840 is an apocalyptic number.

4508840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4508840 is an abundant number, since it is smaller than the sum of its proper divisors (7086040).

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

4508840 is a wasteful number, since it uses less digits than its factorization.

4508840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16121 (or 16117 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 4508840 is about 2123.4029292624. The cubic root of 4508840 is about 165.2043992755.

The spelling of 4508840 in words is "four million, five hundred eight thousand, eight hundred forty".