4623439 has 4 divisors (see below), whose sum is σ = 4895424. Its totient is φ = 4351456.

The previous prime is 4623431. The next prime is 4623457. The reversal of 4623439 is 9343264.

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

It is not a de Polignac number, because 4623439 - 2³ = 4623431 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 4623439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623431) 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 in 3 ways as a sum of consecutive naturals, for example, 135967 + ... + 136000.

It is an arithmetic number, because the mean of its divisors is an integer number (1223856).

Almost surely, 2^4623439 is an apocalyptic number.

4623439 is a deficient number, since it is larger than the sum of its proper divisors (271985).

4623439 is a wasteful number, since it uses less digits than its factorization.

4623439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271984.

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

The square root of 4623439 is about 2150.2183610043. The cubic root of 4623439 is about 166.5923459746.

The spelling of 4623439 in words is "four million, six hundred twenty-three thousand, four hundred thirty-nine".