809952274 has 8 divisors (see below), whose sum is σ = 1247764428. Its totient is φ = 394030800.

The previous prime is 809952211. The next prime is 809952277. The reversal of 809952274 is 472259908.

It can be written as a sum of positive squares in 2 ways, for example, as 800607025 + 9345249 = 28295^2 + 3057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (809952277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472577 + ... + 5472724.

Almost surely, 2^809952274 is an apocalyptic number.

809952274 is a deficient number, since it is larger than the sum of its proper divisors (437812154).

809952274 is a wasteful number, since it uses less digits than its factorization.

809952274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945340.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 809952274 is about 28459.6604688109. The cubic root of 809952274 is about 932.1514433058.

The spelling of 809952274 in words is "eight hundred nine million, nine hundred fifty-two thousand, two hundred seventy-four".