4979646 has 24 divisors (see below), whose sum is σ = 12330864. Its totient is φ = 1422720.

The previous prime is 4979633. The next prime is 4979647. The reversal of 4979646 is 6469794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19635 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (513786).

Almost surely, 2^4979646 is an apocalyptic number.

4979646 is an abundant number, since it is smaller than the sum of its proper divisors (7351218).

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

4979646 is a wasteful number, since it uses less digits than its factorization.

4979646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39536 (or 39533 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 4979646 is about 2231.5120434360. The cubic root of 4979646 is about 170.7652467651.

It can be divided in two parts, 4979 and 646, that added together give a square (5625 = 75²).

The spelling of 4979646 in words is "four million, nine hundred seventy-nine thousand, six hundred forty-six".