4909518 has 16 divisors (see below), whose sum is σ = 10910160. Its totient is φ = 1636488.

The previous prime is 4909483. The next prime is 4909523. The reversal of 4909518 is 8159094.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45405 + ... + 45512.

It is an arithmetic number, because the mean of its divisors is an integer number (681885).

Almost surely, 2^4909518 is an apocalyptic number.

4909518 is an abundant number, since it is smaller than the sum of its proper divisors (6000642).

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

4909518 is a wasteful number, since it uses less digits than its factorization.

4909518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90928 (or 90922 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4909518 is about 2215.7432161692. The cubic root of 4909518 is about 169.9598290320.

The spelling of 4909518 in words is "four million, nine hundred nine thousand, five hundred eighteen".