4909938 has 24 divisors (see below), whose sum is σ = 10795344. Its totient is φ = 1487640.

The previous prime is 4909871. The next prime is 4909939. The reversal of 4909938 is 8399094.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909938.

It is not an unprimeable number, because it can be changed into a prime (4909939) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2656 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (449806).

Almost surely, 2^4909938 is an apocalyptic number.

4909938 is an abundant number, since it is smaller than the sum of its proper divisors (5885406).

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

4909938 is a wasteful number, since it uses less digits than its factorization.

4909938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790 (or 6779 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4909938 is about 2215.8379904677. The cubic root of 4909938 is about 169.9646754747.

The spelling of 4909938 in words is "four million, nine hundred nine thousand, nine hundred thirty-eight".