4938940 has 12 divisors (see below), whose sum is σ = 10371816. Its totient is φ = 1975568.

The previous prime is 4938931. The next prime is 4938943. The reversal of 4938940 is 498394.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4938940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938943) 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 3 ways as a sum of consecutive naturals, for example, 123454 + ... + 123493.

It is an arithmetic number, because the mean of its divisors is an integer number (864318).

Almost surely, 2^4938940 is an apocalyptic number.

It is an amenable number.

4938940 is an abundant number, since it is smaller than the sum of its proper divisors (5432876).

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

4938940 is a wasteful number, since it uses less digits than its factorization.

4938940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246956 (or 246954 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4938940 is about 2222.3726060227. The cubic root of 4938940 is about 170.2986675913.

The spelling of 4938940 in words is "four million, nine hundred thirty-eight thousand, nine hundred forty".