809793472 has 14 divisors (see below), whose sum is σ = 1606934048. Its totient is φ = 404896704.

The previous prime is 809793469. The next prime is 809793473. The reversal of 809793472 is 274397908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809793473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326448 + ... + 6326575.

Almost surely, 2^809793472 is an apocalyptic number.

It is an amenable number.

809793472 is a deficient number, since it is larger than the sum of its proper divisors (797140576).

809793472 is a wasteful number, since it uses less digits than its factorization.

809793472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12653035 (or 12653025 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 809793472 is about 28456.8703830903. The cubic root of 809793472 is about 932.0905190622.

The spelling of 809793472 in words is "eight hundred nine million, seven hundred ninety-three thousand, four hundred seventy-two".