404404201 has 4 divisors (see below), whose sum is σ = 404581504. Its totient is φ = 404226900.

The previous prime is 404404199. The next prime is 404404223. The reversal of 404404201 is 102404404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404404201 - 2¹ = 404404199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404404271) 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, 85185 + ... + 89806.

It is an arithmetic number, because the mean of its divisors is an integer number (101145376).

Almost surely, 2^404404201 is an apocalyptic number.

It is an amenable number.

404404201 is a deficient number, since it is larger than the sum of its proper divisors (177303).

404404201 is a wasteful number, since it uses less digits than its factorization.

404404201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177302.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 404404201 is about 20109.8036042125. The cubic root of 404404201 is about 739.5006376547.

Adding to 404404201 its reverse (102404404), we get a palindrome (506808605).

The spelling of 404404201 in words is "four hundred four million, four hundred four thousand, two hundred one".