809801362 has 4 divisors (see below), whose sum is σ = 1214702046. Its totient is φ = 404900680.

The previous prime is 809801323. The next prime is 809801417. The reversal of 809801362 is 263108908.

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

It can be written as a sum of positive squares in only one way, i.e., 801512721 + 8288641 = 28311^2 + 2879^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 202450339 + ... + 202450342.

Almost surely, 2^809801362 is an apocalyptic number.

809801362 is a deficient number, since it is larger than the sum of its proper divisors (404900684).

809801362 is a wasteful number, since it uses less digits than its factorization.

809801362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404900683.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 809801362 is about 28457.0090135980. The cubic root of 809801362 is about 932.0935462416.

The spelling of 809801362 in words is "eight hundred nine million, eight hundred one thousand, three hundred sixty-two".