4978938 has 16 divisors (see below), whose sum is σ = 10019520. Its totient is φ = 1649376.

The previous prime is 4978937. The next prime is 4978957. The reversal of 4978938 is 8398794.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4978937) 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, 1483 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (626220).

Almost surely, 2^4978938 is an apocalyptic number.

4978938 is an abundant number, since it is smaller than the sum of its proper divisors (5040582).

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

4978938 is a wasteful number, since it uses less digits than its factorization.

4978938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its digits is 435456, while the sum is 48.

The square root of 4978938 is about 2231.3534009654. The cubic root of 4978938 is about 170.7571533167.

It can be divided in two parts, 49 and 78938, that added together give a palindrome (78987).

The spelling of 4978938 in words is "four million, nine hundred seventy-eight thousand, nine hundred thirty-eight".