4879638 has 24 divisors (see below), whose sum is σ = 10640448. Its totient is φ = 1616112.

The previous prime is 4879631. The next prime is 4879639. The reversal of 4879638 is 8369784.

It is a happy number.

4879638 is a `hidden beast` number, since 4 + 8 + 7 + 9 + 638 = 666.

It is a super-2 number, since 2×4879638² = 47621734022088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4879593 and 4879602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4879631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2331 + ... + 3897.

It is an arithmetic number, because the mean of its divisors is an integer number (443352).

Almost surely, 2^4879638 is an apocalyptic number.

4879638 is an abundant number, since it is smaller than the sum of its proper divisors (5760810).

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

4879638 is a wasteful number, since it uses less digits than its factorization.

4879638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1745 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4879638 is about 2208.9902670677. The cubic root of 4879638 is about 169.6143275469.

The spelling of 4879638 in words is "four million, eight hundred seventy-nine thousand, six hundred thirty-eight".