804394008 has 96 divisors (see below), whose sum is σ = 2409348240. Its totient is φ = 240399360.

The previous prime is 804393979. The next prime is 804394009. The reversal of 804394008 is 800493408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804394009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50860 + ... + 64772.

Almost surely, 2^804394008 is an apocalyptic number.

804394008 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804394008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204674120).

804394008 is an abundant number, since it is smaller than the sum of its proper divisors (1604954232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

804394008 is a wasteful number, since it uses less digits than its factorization.

804394008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14009 (or 14002 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 804394008 is about 28361.8407019009. The cubic root of 804394008 is about 930.0142627018.

The spelling of 804394008 in words is "eight hundred four million, three hundred ninety-four thousand, eight".