4475638 has 8 divisors (see below), whose sum is σ = 6840288. Its totient is φ = 2195544.

The previous prime is 4475633. The next prime is 4475663. The reversal of 4475638 is 8365744.

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

It is a junction number, because it is equal to n+sod(n) for n = 4475597 and 4475606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4475633) 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, 21006 + ... + 21217.

It is an arithmetic number, because the mean of its divisors is an integer number (855036).

Almost surely, 2^4475638 is an apocalyptic number.

4475638 is a deficient number, since it is larger than the sum of its proper divisors (2364650).

4475638 is a wasteful number, since it uses less digits than its factorization.

4475638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42278.

The product of its digits is 80640, while the sum is 37.

The square root of 4475638 is about 2115.5703722637. The cubic root of 4475638 is about 164.7978915038.

The spelling of 4475638 in words is "four million, four hundred seventy-five thousand, six hundred thirty-eight".