404401103 has 4 divisors (see below), whose sum is σ = 407079408. Its totient is φ = 401722800.

The previous prime is 404401097. The next prime is 404401141. The reversal of 404401103 is 301104404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404401103 - 2¹⁴ = 404384719 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 (404401703) 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, 1338926 + ... + 1339227.

It is an arithmetic number, because the mean of its divisors is an integer number (101769852).

Almost surely, 2^404401103 is an apocalyptic number.

404401103 is a deficient number, since it is larger than the sum of its proper divisors (2678305).

404401103 is a wasteful number, since it uses less digits than its factorization.

404401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678304.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 404401103 is about 20109.7265769577. The cubic root of 404401103 is about 739.4987492975.

Adding to 404401103 its reverse (301104404), we get a palindrome (705505507).

The spelling of 404401103 in words is "four hundred four million, four hundred one thousand, one hundred three".