404001101 has 8 divisors (see below), whose sum is σ = 461859840. Its totient is φ = 346178448.

The previous prime is 404001061. The next prime is 404001119. The reversal of 404001101 is 101100404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-404001101 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 (404001121) 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 7 ways as a sum of consecutive naturals, for example, 22175 + ... + 36051.

It is an arithmetic number, because the mean of its divisors is an integer number (57732480).

Almost surely, 2^404001101 is an apocalyptic number.

It is an amenable number.

404001101 is a deficient number, since it is larger than the sum of its proper divisors (57858739).

404001101 is a wasteful number, since it uses less digits than its factorization.

404001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 404001101 is about 20099.7786306218. The cubic root of 404001101 is about 739.2548507210.

Adding to 404001101 its reverse (101100404), we get a palindrome (505101505).

The spelling of 404001101 in words is "four hundred four million, one thousand, one hundred one".