4980639 has 8 divisors (see below), whose sum is σ = 6802992. Its totient is φ = 3239360.

The previous prime is 4980631. The next prime is 4980671. The reversal of 4980639 is 9360894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4980639 - 2³ = 4980631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4980597 and 4980606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4980631) 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, 20124 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (850374).

Almost surely, 2^4980639 is an apocalyptic number.

4980639 is a deficient number, since it is larger than the sum of its proper divisors (1822353).

4980639 is a wasteful number, since it uses less digits than its factorization.

4980639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40537.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 4980639 is about 2231.7345272232. The cubic root of 4980639 is about 170.7765968772.

The spelling of 4980639 in words is "four million, nine hundred eighty thousand, six hundred thirty-nine".