804149896 has 64 divisors (see below), whose sum is σ = 1680451200. Its totient is φ = 357696000.

The previous prime is 804149873. The next prime is 804149909. The reversal of 804149896 is 698941408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969610 + ... + 970438.

It is an arithmetic number, because the mean of its divisors is an integer number (26257050).

Almost surely, 2^804149896 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 804149896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840225600).

804149896 is an abundant number, since it is smaller than the sum of its proper divisors (876301304).

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

804149896 is a wasteful number, since it uses less digits than its factorization.

804149896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 804149896 is about 28357.5368464893. The cubic root of 804149896 is about 929.9201750578.

The spelling of 804149896 in words is "eight hundred four million, one hundred forty-nine thousand, eight hundred ninety-six".