809104830 has 32 divisors (see below), whose sum is σ = 1945063584. Its totient is φ = 215404416.

The previous prime is 809104823. The next prime is 809104831. The reversal of 809104830 is 38401908.

It is a junction number, because it is equal to n+sod(n) for n = 809104791 and 809104800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809104831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3609 + ... + 40388.

It is an arithmetic number, because the mean of its divisors is an integer number (60783237).

Almost surely, 2^809104830 is an apocalyptic number.

809104830 is an abundant number, since it is smaller than the sum of its proper divisors (1135958754).

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

809104830 is a wasteful number, since it uses less digits than its factorization.

809104830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44620.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 809104830 is about 28444.7680602251. The cubic root of 809104830 is about 931.8262299826.

The spelling of 809104830 in words is "eight hundred nine million, one hundred four thousand, eight hundred thirty".