806040337 has 4 divisors (see below), whose sum is σ = 815097060. Its totient is φ = 796983616.

The previous prime is 806040299. The next prime is 806040343. The reversal of 806040337 is 733040608.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276856321 + 529184016 = 16639^2 + 23004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806040337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806040299 and 806040308.

It is not an unprimeable number, because it can be changed into a prime (806050337) 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, 4528228 + ... + 4528405.

It is an arithmetic number, because the mean of its divisors is an integer number (203774265).

Almost surely, 2^806040337 is an apocalyptic number.

It is an amenable number.

806040337 is a deficient number, since it is larger than the sum of its proper divisors (9056723).

806040337 is an equidigital number, since it uses as much as digits as its factorization.

806040337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056722.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 806040337 is about 28390.8495293818. The cubic root of 806040337 is about 930.6483077359.

The spelling of 806040337 in words is "eight hundred six million, forty thousand, three hundred thirty-seven".