4979820 has 24 divisors (see below), whose sum is σ = 13943664. Its totient is φ = 1327936.

The previous prime is 4979801. The next prime is 4979831. The reversal of 4979820 is 289794.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41439 + ... + 41558.

It is an arithmetic number, because the mean of its divisors is an integer number (580986).

Almost surely, 2^4979820 is an apocalyptic number.

It is an amenable number.

4979820 is an abundant number, since it is smaller than the sum of its proper divisors (8963844).

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

4979820 is a wasteful number, since it uses less digits than its factorization.

4979820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83009 (or 83007 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4979820 is about 2231.5510301134. The cubic root of 4979820 is about 170.7672357155.

The spelling of 4979820 in words is "four million, nine hundred seventy-nine thousand, eight hundred twenty".