404669474 has 32 divisors (see below), whose sum is σ = 699494400. Its totient is φ = 173854800.

The previous prime is 404669471. The next prime is 404669477. The reversal of 404669474 is 474966404.

It is an interprime number because it is at equal distance from previous prime (404669471) and next prime (404669477).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404669471) 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 15 ways as a sum of consecutive naturals, for example, 22427 + ... + 36225.

It is an arithmetic number, because the mean of its divisors is an integer number (21859200).

Almost surely, 2^404669474 is an apocalyptic number.

404669474 is a deficient number, since it is larger than the sum of its proper divisors (294824926).

404669474 is a wasteful number, since it uses less digits than its factorization.

404669474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13886.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 404669474 is about 20116.3981368435. The cubic root of 404669474 is about 739.6622966044.

The spelling of 404669474 in words is "four hundred four million, six hundred sixty-nine thousand, four hundred seventy-four".