4485639 has 8 divisors (see below), whose sum is σ = 5991040. Its totient is φ = 2985336.

The previous prime is 4485629. The next prime is 4485643. The reversal of 4485639 is 9365844.

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

It is not a de Polignac number, because 4485639 - 2⁴ = 4485623 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 4¹¹ + 8 + 5 + 6⁷ + 3⁸ + 9³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4485597 and 4485606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4485619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (748880).

Almost surely, 2^4485639 is an apocalyptic number.

4485639 is a deficient number, since it is larger than the sum of its proper divisors (1505401).

4485639 is a wasteful number, since it uses less digits than its factorization.

4485639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549.

The product of its digits is 103680, while the sum is 39.

The square root of 4485639 is about 2117.9327184781. The cubic root of 4485639 is about 164.9205494444.

The spelling of 4485639 in words is "four million, four hundred eighty-five thousand, six hundred thirty-nine".