806276643 has 8 divisors (see below), whose sum is σ = 1075304208. Its totient is φ = 537383424.

The previous prime is 806276633. The next prime is 806276671. The reversal of 806276643 is 346672608.

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

It is not a de Polignac number, because 806276643 - 2⁶ = 806276579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 806276595 and 806276604.

It is not an unprimeable number, because it can be changed into a prime (806276623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18630 + ... + 44267.

It is an arithmetic number, because the mean of its divisors is an integer number (134413026).

Almost surely, 2^806276643 is an apocalyptic number.

806276643 is a deficient number, since it is larger than the sum of its proper divisors (269027565).

806276643 is a wasteful number, since it uses less digits than its factorization.

806276643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67173.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 806276643 is about 28395.0108821955. The cubic root of 806276643 is about 930.7392445792.

The spelling of 806276643 in words is "eight hundred six million, two hundred seventy-six thousand, six hundred forty-three".