404113663 has 4 divisors (see below), whose sum is σ = 404157208. Its totient is φ = 404070120.

The previous prime is 404113639. The next prime is 404113691. The reversal of 404113663 is 366311404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 404113663 - 2⁵ = 404113631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404113063) 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, 1656 + ... + 28477.

It is an arithmetic number, because the mean of its divisors is an integer number (101039302).

Almost surely, 2^404113663 is an apocalyptic number.

404113663 is a deficient number, since it is larger than the sum of its proper divisors (43545).

404113663 is a wasteful number, since it uses less digits than its factorization.

404113663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43544.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 404113663 is about 20102.5785162004. The cubic root of 404113663 is about 739.3235009279.

The spelling of 404113663 in words is "four hundred four million, one hundred thirteen thousand, six hundred sixty-three".