404609475 has 24 divisors (see below), whose sum is σ = 678385152. Its totient is φ = 212749600.

The previous prime is 404609453. The next prime is 404609477. The reversal of 404609475 is 574906404.

It is a happy number.

It is not a de Polignac number, because 404609475 - 2⁷ = 404609347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404609477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32667 + ... + 43316.

It is an arithmetic number, because the mean of its divisors is an integer number (28266048).

Almost surely, 2^404609475 is an apocalyptic number.

404609475 is a deficient number, since it is larger than the sum of its proper divisors (273775677).

404609475 is a wasteful number, since it uses less digits than its factorization.

404609475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76067 (or 76062 counting only the distinct ones).

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

The square root of 404609475 is about 20114.9067857646. The cubic root of 404609475 is about 739.6257390396.

The spelling of 404609475 in words is "four hundred four million, six hundred nine thousand, four hundred seventy-five".