404001105 has 8 divisors (see below), whose sum is σ = 646401792. Its totient is φ = 215467248.

The previous prime is 404001061. The next prime is 404001119. The reversal of 404001105 is 501100404.

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

It is not a de Polignac number, because 404001105 - 2⁷ = 404000977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 26933407 = 404001105 / (4 + 0 + 4 + 0 + 0 + 1 + 1 + 0 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13466689 + ... + 13466718.

It is an arithmetic number, because the mean of its divisors is an integer number (80800224).

Almost surely, 2^404001105 is an apocalyptic number.

It is an amenable number.

404001105 is a deficient number, since it is larger than the sum of its proper divisors (242400687).

404001105 is a wasteful number, since it uses less digits than its factorization.

404001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26933415.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 404001105 is about 20099.7787301254. The cubic root of 404001105 is about 739.2548531607.

Adding to 404001105 its reverse (501100404), we get a palindrome (905101509).

The spelling of 404001105 in words is "four hundred four million, one thousand, one hundred five".