404047001 has 8 divisors (see below), whose sum is σ = 413387520. Its totient is φ = 394812288.

The previous prime is 404046997. The next prime is 404047009. The reversal of 404047001 is 100740404.

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

It is a cyclic number.

It is not a de Polignac number, because 404047001 - 2² = 404046997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404047009) 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, 18701 + ... + 34026.

It is an arithmetic number, because the mean of its divisors is an integer number (51673440).

Almost surely, 2^404047001 is an apocalyptic number.

It is an amenable number.

404047001 is a deficient number, since it is larger than the sum of its proper divisors (9340519).

404047001 is an equidigital number, since it uses as much as digits as its factorization.

404047001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52903.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 404047001 is about 20100.9204018125. The cubic root of 404047001 is about 739.2828461172.

Adding to 404047001 its reverse (100740404), we get a palindrome (504787405).

The spelling of 404047001 in words is "four hundred four million, forty-seven thousand, one".