809056246 has 4 divisors (see below), whose sum is σ = 1213584372. Its totient is φ = 404528122.

The previous prime is 809056229. The next prime is 809056247. The reversal of 809056246 is 642650908.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×809056246² = 1309144018383225032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 809056199 and 809056208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809056247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202264060 + ... + 202264063.

It is an arithmetic number, because the mean of its divisors is an integer number (303396093).

Almost surely, 2^809056246 is an apocalyptic number.

809056246 is a deficient number, since it is larger than the sum of its proper divisors (404528126).

809056246 is a wasteful number, since it uses less digits than its factorization.

809056246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404528125.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 809056246 is about 28443.9140414958. The cubic root of 809056246 is about 931.8075786080.

The spelling of 809056246 in words is "eight hundred nine million, fifty-six thousand, two hundred forty-six".