4479645 has 16 divisors (see below), whose sum is σ = 7267392. Its totient is φ = 2355840.

The previous prime is 4479581. The next prime is 4479661. The reversal of 4479645 is 5469744.

It is a happy number.

It is not a de Polignac number, because 4479645 - 2⁶ = 4479581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 951 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (454212).

Almost surely, 2^4479645 is an apocalyptic number.

It is an amenable number.

4479645 is a deficient number, since it is larger than the sum of its proper divisors (2787747).

4479645 is a wasteful number, since it uses less digits than its factorization.

4479645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172.

The product of its digits is 120960, while the sum is 39.

The square root of 4479645 is about 2116.5171863229. The cubic root of 4479645 is about 164.8470575432.

Subtracting 4479645 from its reverse (5469744), we obtain a palindrome (990099).

The spelling of 4479645 in words is "four million, four hundred seventy-nine thousand, six hundred forty-five".