1404104809 has 4 divisors (see below), whose sum is σ = 1404576000. Its totient is φ = 1403633620.

The previous prime is 1404104791. The next prime is 1404104813. The reversal of 1404104809 is 9084014041.

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 1404104809 - 2²¹ = 1402007657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404104839) 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, 231097 + ... + 237094.

It is an arithmetic number, because the mean of its divisors is an integer number (351144000).

Almost surely, 2^1404104809 is an apocalyptic number.

It is an amenable number.

1404104809 is a deficient number, since it is larger than the sum of its proper divisors (471191).

1404104809 is an equidigital number, since it uses as much as digits as its factorization.

1404104809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471190.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1404104809 is about 37471.3865369297. The cubic root of 1404104809 is about 1119.7812096540.

The spelling of 1404104809 in words is "one billion, four hundred four million, one hundred four thousand, eight hundred nine".