809065234 has 8 divisors (see below), whose sum is σ = 1220865408. Its totient is φ = 402110100.

The previous prime is 809065189. The next prime is 809065237. The reversal of 809065234 is 432560908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 809065193 and 809065202.

It is not an unprimeable number, because it can be changed into a prime (809065237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210842 + ... + 1211509.

It is an arithmetic number, because the mean of its divisors is an integer number (152608176).

Almost surely, 2^809065234 is an apocalyptic number.

809065234 is a deficient number, since it is larger than the sum of its proper divisors (411800174).

809065234 is a wasteful number, since it uses less digits than its factorization.

809065234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422520.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 809065234 is about 28444.0720361906. The cubic root of 809065234 is about 931.8110291533.

The spelling of 809065234 in words is "eight hundred nine million, sixty-five thousand, two hundred thirty-four".