4475809 has 4 divisors (see below), whose sum is σ = 4820116. Its totient is φ = 4131504.

The previous prime is 4475803. The next prime is 4475813. The reversal of 4475809 is 9085744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 3341584 = 1065^2 + 1828^2 .

It is not a de Polignac number, because 4475809 - 2¹¹ = 4473761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4475803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172134 + ... + 172159.

It is an arithmetic number, because the mean of its divisors is an integer number (1205029).

Almost surely, 2^4475809 is an apocalyptic number.

It is an amenable number.

4475809 is a deficient number, since it is larger than the sum of its proper divisors (344307).

4475809 is a wasteful number, since it uses less digits than its factorization.

4475809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344306.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4475809 is about 2115.6107865106. The cubic root of 4475809 is about 164.7999902795.

The spelling of 4475809 in words is "four million, four hundred seventy-five thousand, eight hundred nine".