804394055 has 8 divisors (see below), whose sum is σ = 969417072. Its totient is φ = 640752448.

The previous prime is 804394043. The next prime is 804394057. The reversal of 804394055 is 550493408.

It is a happy number.

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 804394055 - 2¹⁴ = 804377671 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 (804394057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344069 + ... + 346398.

It is an arithmetic number, because the mean of its divisors is an integer number (121177134).

Almost surely, 2^804394055 is an apocalyptic number.

804394055 is a deficient number, since it is larger than the sum of its proper divisors (165023017).

804394055 is a wasteful number, since it uses less digits than its factorization.

804394055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690705.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 804394055 is about 28361.8415304789. The cubic root of 804394055 is about 930.0142808151.

The spelling of 804394055 in words is "eight hundred four million, three hundred ninety-four thousand, fifty-five".