404842801 has 4 divisors (see below), whose sum is σ = 441646704. Its totient is φ = 368038900.

The previous prime is 404842771. The next prime is 404842883. The reversal of 404842801 is 108248404.

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 404842801 - 2⁵ = 404842769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404842891) 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 3 ways as a sum of consecutive naturals, for example, 18401935 + ... + 18401956.

It is an arithmetic number, because the mean of its divisors is an integer number (110411676).

Almost surely, 2^404842801 is an apocalyptic number.

It is an amenable number.

404842801 is a deficient number, since it is larger than the sum of its proper divisors (36803903).

404842801 is a wasteful number, since it uses less digits than its factorization.

404842801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36803902.

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 404842801 is about 20120.7057778797. The cubic root of 404842801 is about 739.7678849554.

The spelling of 404842801 in words is "four hundred four million, eight hundred forty-two thousand, eight hundred one".