804791000 has 128 divisors (see below), whose sum is σ = 2094543360. Its totient is φ = 287424000.

The previous prime is 804790951. The next prime is 804791003. The reversal of 804791000 is 197408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804791003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402002 + ... + 403998.

It is an arithmetic number, because the mean of its divisors is an integer number (16363620).

Almost surely, 2^804791000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804791000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047271680).

804791000 is an abundant number, since it is smaller than the sum of its proper divisors (1289752360).

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

804791000 is a wasteful number, since it uses less digits than its factorization.

804791000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 804791000 is about 28368.8385380861. The cubic root of 804791000 is about 930.1672339642.

The spelling of 804791000 in words is "eight hundred four million, seven hundred ninety-one thousand".