800840004 has 24 divisors (see below), whose sum is σ = 1885773120. Its totient is φ = 264497184.

The previous prime is 800839999. The next prime is 800840077. The reversal of 800840004 is 400048008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304824 + ... + 307439.

It is an arithmetic number, because the mean of its divisors is an integer number (78573880).

Almost surely, 2^800840004 is an apocalyptic number.

It is an amenable number.

800840004 is an abundant number, since it is smaller than the sum of its proper divisors (1084933116).

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

800840004 is a wasteful number, since it uses less digits than its factorization.

800840004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612379 (or 612377 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 800840004 is about 28299.1166646593. The cubic root of 800840004 is about 928.6425658344.

The spelling of 800840004 in words is "eight hundred million, eight hundred forty thousand, four".