4979849 has 8 divisors (see below), whose sum is σ = 5710848. Its totient is φ = 4253760.

The previous prime is 4979839. The next prime is 4979879. The reversal of 4979849 is 9489794.

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

It is not a de Polignac number, because 4979849 - 2²⁰ = 3931273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4979797 and 4979806.

It is not an unprimeable number, because it can be changed into a prime (4979839) 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, 1304 + ... + 3414.

It is an arithmetic number, because the mean of its divisors is an integer number (713856).

Almost surely, 2^4979849 is an apocalyptic number.

It is an amenable number.

4979849 is a deficient number, since it is larger than the sum of its proper divisors (730999).

4979849 is a wasteful number, since it uses less digits than its factorization.

4979849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its digits is 653184, while the sum is 50.

The square root of 4979849 is about 2231.5575278267. The cubic root of 4979849 is about 170.7675672028.

The spelling of 4979849 in words is "four million, nine hundred seventy-nine thousand, eight hundred forty-nine".