4645239 has 8 divisors (see below), whose sum is σ = 6361200. Its totient is φ = 3013056.

The previous prime is 4645237. The next prime is 4645243. The reversal of 4645239 is 9325464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4645239 - 2¹ = 4645237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20814 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (795150).

Almost surely, 2^4645239 is an apocalyptic number.

4645239 is a deficient number, since it is larger than the sum of its proper divisors (1715961).

4645239 is a wasteful number, since it uses less digits than its factorization.

4645239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41889.

The product of its digits is 25920, while the sum is 33.

The square root of 4645239 is about 2155.2816521281. The cubic root of 4645239 is about 166.8537689888.

It can be divided in two parts, 4645 and 239, that added together give a palindrome (4884).

The spelling of 4645239 in words is "four million, six hundred forty-five thousand, two hundred thirty-nine".