4979838 has 16 divisors (see below), whose sum is σ = 10172160. Its totient is φ = 1624536.

The previous prime is 4979837. The next prime is 4979839. The reversal of 4979838 is 8389794.

It is an interprime number because it is at equal distance from previous prime (4979837) and next prime (4979839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8548 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (635760).

Almost surely, 2^4979838 is an apocalyptic number.

4979838 is an abundant number, since it is smaller than the sum of its proper divisors (5192322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979838 is a wasteful number, since it uses less digits than its factorization.

4979838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17711.

The product of its digits is 435456, while the sum is 48.

The square root of 4979838 is about 2231.5550631790. Note that the first 3 decimals coincide. The cubic root of 4979838 is about 170.7674414664.

The spelling of 4979838 in words is "four million, nine hundred seventy-nine thousand, eight hundred thirty-eight".