809894336 has 28 divisors (see below), whose sum is σ = 1644514872. Its totient is φ = 395528448.

The previous prime is 809894317. The next prime is 809894341. The reversal of 809894336 is 633498908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144395 + ... + 149898.

It is an arithmetic number, because the mean of its divisors is an integer number (58732674).

Almost surely, 2^809894336 is an apocalyptic number.

809894336 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

809894336 is an abundant number, since it is smaller than the sum of its proper divisors (834620536).

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

809894336 is a wasteful number, since it uses less digits than its factorization.

809894336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294348 (or 294338 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 809894336 is about 28458.6425537129. The cubic root of 809894336 is about 932.1292163673.

The spelling of 809894336 in words is "eight hundred nine million, eight hundred ninety-four thousand, three hundred thirty-six".