4978944 has 54 divisors (see below), whose sum is σ = 14362166. Its totient is φ = 1658880.

The previous prime is 4978937. The next prime is 4978957. The reversal of 4978944 is 4498794.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 518400 = 2112^2 + 720^2 .

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 4978944.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224 + ... + 3384.

Almost surely, 2^4978944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7181083).

4978944 is an abundant number, since it is smaller than the sum of its proper divisors (9383222).

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

4978944 is a wasteful number, since it uses less digits than its factorization.

4978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2166 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4978944 is about 2231.3547454405. The cubic root of 4978944 is about 170.7572219084.

The spelling of 4978944 in words is "four million, nine hundred seventy-eight thousand, nine hundred forty-four".