806340355 has 4 divisors (see below), whose sum is σ = 967608432. Its totient is φ = 645072280.

The previous prime is 806340289. The next prime is 806340383. The reversal of 806340355 is 553043608.

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

It is a de Polignac number, because none of the positive numbers 2^k-806340355 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 806340355.

It is an unprimeable number.

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, 80634031 + ... + 80634040.

It is an arithmetic number, because the mean of its divisors is an integer number (241902108).

Almost surely, 2^806340355 is an apocalyptic number.

806340355 is a deficient number, since it is larger than the sum of its proper divisors (161268077).

806340355 is a wasteful number, since it uses less digits than its factorization.

806340355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161268076.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 806340355 is about 28396.1327472598. The cubic root of 806340355 is about 930.7637596128.

The spelling of 806340355 in words is "eight hundred six million, three hundred forty thousand, three hundred fifty-five".