4634639 has 2 divisors, whose sum is σ = 4634640. Its totient is φ = 4634638.

The previous prime is 4634633. The next prime is 4634687. The reversal of 4634639 is 9364364.

It is a happy number.

4634639 is nontrivially palindromic in base 9.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4634639 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁹ + 6² + 3⁵ + 4¹¹ + 6² + 3¹¹ + 9³ .

It is a junction number, because it is equal to n+sod(n) for n = 4634599 and 4634608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4634633) 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 as a sum of consecutive naturals, namely, 2317319 + 2317320.

It is an arithmetic number, because the mean of its divisors is an integer number (2317320).

Almost surely, 2^4634639 is an apocalyptic number.

4634639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4634639 is an equidigital number, since it uses as much as digits as its factorization.

4634639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 4634639 is about 2152.8211723225. The cubic root of 4634639 is about 166.7267574431.

The spelling of 4634639 in words is "four million, six hundred thirty-four thousand, six hundred thirty-nine".