809736046 has 32 divisors (see below), whose sum is σ = 1431967680. Its totient is φ = 336151296.

The previous prime is 809736023. The next prime is 809736047. The reversal of 809736046 is 640637908.

It is a happy number.

809736046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 809735993 and 809736011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809736047) 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, 117340 + ... + 124048.

It is an arithmetic number, because the mean of its divisors is an integer number (44748990).

Almost surely, 2^809736046 is an apocalyptic number.

809736046 is a deficient number, since it is larger than the sum of its proper divisors (622231634).

809736046 is a wasteful number, since it uses less digits than its factorization.

809736046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 809736046 is about 28455.8613645765. The cubic root of 809736046 is about 932.0684856684.

The spelling of 809736046 in words is "eight hundred nine million, seven hundred thirty-six thousand, forty-six".