4840639 has 4 divisors (see below), whose sum is σ = 4953256. Its totient is φ = 4728024.

The previous prime is 4840637. The next prime is 4840657. The reversal of 4840639 is 9360484.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4840639 - 2¹ = 4840637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4840637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56244 + ... + 56329.

It is an arithmetic number, because the mean of its divisors is an integer number (1238314).

Almost surely, 2^4840639 is an apocalyptic number.

4840639 is a deficient number, since it is larger than the sum of its proper divisors (112617).

4840639 is a wasteful number, since it uses less digits than its factorization.

4840639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112616.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4840639 is about 2200.1452224796. The cubic root of 4840639 is about 169.1612550004.

The spelling of 4840639 in words is "four million, eight hundred forty thousand, six hundred thirty-nine".