4978313 has 8 divisors (see below), whose sum is σ = 5151432. Its totient is φ = 4807296.

The previous prime is 4978291. The next prime is 4978349. The reversal of 4978313 is 3138794.

It can be written as a sum of positive squares in 4 ways, for example, as 2408704 + 2569609 = 1552^2 + 1603^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4978313 - 2²² = 784009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4978013) 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 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (643929).

Almost surely, 2^4978313 is an apocalyptic number.

It is an amenable number.

4978313 is a deficient number, since it is larger than the sum of its proper divisors (173119).

4978313 is a wasteful number, since it uses less digits than its factorization.

4978313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its digits is 18144, while the sum is 35.

The square root of 4978313 is about 2231.2133470379. The cubic root of 4978313 is about 170.7500080388.

The spelling of 4978313 in words is "four million, nine hundred seventy-eight thousand, three hundred thirteen".