4980978 has 12 divisors (see below), whose sum is σ = 10792158. Its totient is φ = 1660320.

The previous prime is 4980971. The next prime is 4981019. The reversal of 4980978 is 8790894.

It can be written as a sum of positive squares in only one way, i.e., 4652649 + 328329 = 2157^2 + 573^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4980971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138343 + ... + 138378.

Almost surely, 2^4980978 is an apocalyptic number.

4980978 is an abundant number, since it is smaller than the sum of its proper divisors (5811180).

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

4980978 is a wasteful number, since it uses less digits than its factorization.

4980978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276729 (or 276726 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4980978 is about 2231.8104758245. The cubic root of 4980978 is about 170.7804713434.

The spelling of 4980978 in words is "four million, nine hundred eighty thousand, nine hundred seventy-eight".