4984978 has 8 divisors (see below), whose sum is σ = 7917372. Its totient is φ = 2345856.

The previous prime is 4984949. The next prime is 4984999. The reversal of 4984978 is 8794894.

It can be written as a sum of positive squares in 2 ways, for example, as 4853209 + 131769 = 2203^2 + 363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73275 + ... + 73342.

Almost surely, 2^4984978 is an apocalyptic number.

4984978 is a deficient number, since it is larger than the sum of its proper divisors (2932394).

4984978 is a wasteful number, since it uses less digits than its factorization.

4984978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146636.

The product of its digits is 580608, while the sum is 49.

The square root of 4984978 is about 2232.7064294260. The cubic root of 4984978 is about 170.8261744901.

It can be divided in two parts, 498 and 4978, that added together give a square (5476 = 74²).

The spelling of 4984978 in words is "four million, nine hundred eighty-four thousand, nine hundred seventy-eight".