404783473 has 4 divisors (see below), whose sum is σ = 405258868. Its totient is φ = 404308080.

The previous prime is 404783459. The next prime is 404783503. The reversal of 404783473 is 374387404.

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 16378209 + 388405264 = 4047^2 + 19708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404783473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404783443) 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, 236418 + ... + 238123.

It is an arithmetic number, because the mean of its divisors is an integer number (101314717).

Almost surely, 2^404783473 is an apocalyptic number.

It is an amenable number.

404783473 is a deficient number, since it is larger than the sum of its proper divisors (475395).

404783473 is an equidigital number, since it uses as much as digits as its factorization.

404783473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475394.

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 404783473 is about 20119.2314217020. The cubic root of 404783473 is about 739.7317465719.

The spelling of 404783473 in words is "four hundred four million, seven hundred eighty-three thousand, four hundred seventy-three".