404163606 has 32 divisors (see below), whose sum is σ = 1007785728. Its totient is φ = 104977440.

The previous prime is 404163601. The next prime is 404163619. The reversal of 404163606 is 606361404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404163601) 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, 436945 + ... + 437868.

It is an arithmetic number, because the mean of its divisors is an integer number (31493304).

Almost surely, 2^404163606 is an apocalyptic number.

404163606 is an abundant number, since it is smaller than the sum of its proper divisors (603622122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404163606 is a wasteful number, since it uses less digits than its factorization.

404163606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874836.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 404163606 is about 20103.8206816515. The cubic root of 404163606 is about 739.3539564787.

The spelling of 404163606 in words is "four hundred four million, one hundred sixty-three thousand, six hundred six".