4993979 has 8 divisors (see below), whose sum is σ = 5336640. Its totient is φ = 4659336.

The previous prime is 4993951. The next prime is 4993987. The reversal of 4993979 is 9793994.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4993979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4993909) 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, 689 + ... + 3234.

It is an arithmetic number, because the mean of its divisors is an integer number (667080).

Almost surely, 2^4993979 is an apocalyptic number.

4993979 is a deficient number, since it is larger than the sum of its proper divisors (342661).

4993979 is a wasteful number, since it uses less digits than its factorization.

4993979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009.

The product of its digits is 551124, while the sum is 50.

The square root of 4993979 is about 2234.7212354117. The cubic root of 4993979 is about 170.9289286633.

The spelling of 4993979 in words is "four million, nine hundred ninety-three thousand, nine hundred seventy-nine".