809432344 has 32 divisors (see below), whose sum is σ = 1774840320. Its totient is φ = 338831136.

The previous prime is 809432303. The next prime is 809432347. The reversal of 809432344 is 443234908.

809432344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809432347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165664 + ... + 170479.

It is an arithmetic number, because the mean of its divisors is an integer number (55463760).

Almost surely, 2^809432344 is an apocalyptic number.

It is an amenable number.

809432344 is an abundant number, since it is smaller than the sum of its proper divisors (965407976).

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

809432344 is a wasteful number, since it uses less digits than its factorization.

809432344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336199 (or 336195 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 809432344 is about 28450.5244942866. The cubic root of 809432344 is about 931.9519429745.

The spelling of 809432344 in words is "eight hundred nine million, four hundred thirty-two thousand, three hundred forty-four".