4475409 has 16 divisors (see below), whose sum is σ = 6398592. Its totient is φ = 2775168.

The previous prime is 4475407. The next prime is 4475413. The reversal of 4475409 is 9045744.

It is a happy number.

It is not a de Polignac number, because 4475409 - 2¹ = 4475407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4475409.

It is not an unprimeable number, because it can be changed into a prime (4475407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 3429.

It is an arithmetic number, because the mean of its divisors is an integer number (399912).

Almost surely, 2^4475409 is an apocalyptic number.

It is an amenable number.

4475409 is a deficient number, since it is larger than the sum of its proper divisors (1923183).

4475409 is a wasteful number, since it uses less digits than its factorization.

4475409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4475409 is about 2115.5162490513. The cubic root of 4475409 is about 164.7950807790.

It can be divided in two parts, 4475 and 409, that added together give a palindrome (4884).

The spelling of 4475409 in words is "four million, four hundred seventy-five thousand, four hundred nine".