4990879 has 4 divisors (see below), whose sum is σ = 4999176. Its totient is φ = 4982584.

The previous prime is 4990849. The next prime is 4990891. The reversal of 4990879 is 9780994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9780994 = 2 ⋅4890497.

It is a cyclic number.

It is not a de Polignac number, because 4990879 - 2¹¹ = 4988831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990849) 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 3 ways as a sum of consecutive naturals, for example, 3169 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (1249794).

Almost surely, 2^4990879 is an apocalyptic number.

4990879 is a deficient number, since it is larger than the sum of its proper divisors (8297).

4990879 is an equidigital number, since it uses as much as digits as its factorization.

4990879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 4990879 is about 2234.0275289262. The cubic root of 4990879 is about 170.8935534406.

The spelling of 4990879 in words is "four million, nine hundred ninety thousand, eight hundred seventy-nine".