4632439 has 4 divisors (see below), whose sum is σ = 5294224. Its totient is φ = 3970656.

The previous prime is 4632403. The next prime is 4632443. The reversal of 4632439 is 9342364.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4632439 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁷ + 6³ + 3¹¹ + 2¹³ + 4¹¹ + 3¹¹ + 9⁵ .

It is a Duffinian number.

4632439 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4632439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4632239) 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, 330882 + ... + 330895.

It is an arithmetic number, because the mean of its divisors is an integer number (1323556).

Almost surely, 2^4632439 is an apocalyptic number.

4632439 is a deficient number, since it is larger than the sum of its proper divisors (661785).

4632439 is an equidigital number, since it uses as much as digits as its factorization.

4632439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661784.

The product of its digits is 15552, while the sum is 31.

The square root of 4632439 is about 2152.3101542296. The cubic root of 4632439 is about 166.7003722942.

The spelling of 4632439 in words is "four million, six hundred thirty-two thousand, four hundred thirty-nine".