4948639 has 8 divisors (see below), whose sum is σ = 5149760. Its totient is φ = 4751136.

The previous prime is 4948637. The next prime is 4948661. The reversal of 4948639 is 9368494.

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 4948639 - 2¹ = 4948637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4948595 and 4948604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4948631) 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, 2077 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (643720).

Almost surely, 2^4948639 is an apocalyptic number.

4948639 is a deficient number, since it is larger than the sum of its proper divisors (201121).

4948639 is a wasteful number, since it uses less digits than its factorization.

4948639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its digits is 186624, while the sum is 43.

The square root of 4948639 is about 2224.5536630974. The cubic root of 4948639 is about 170.4100711681.

The spelling of 4948639 in words is "four million, nine hundred forty-eight thousand, six hundred thirty-nine".