806856562 has 4 divisors (see below), whose sum is σ = 1210284846. Its totient is φ = 403428280.

The previous prime is 806856493. The next prime is 806856563. The reversal of 806856562 is 265658608.

806856562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 803212281 + 3644281 = 28341^2 + 1909^2 .

It is not an unprimeable number, because it can be changed into a prime (806856563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201714139 + ... + 201714142.

Almost surely, 2^806856562 is an apocalyptic number.

806856562 is a deficient number, since it is larger than the sum of its proper divisors (403428284).

806856562 is a wasteful number, since it uses less digits than its factorization.

806856562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403428283.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 806856562 is about 28405.2206821211. The cubic root of 806856562 is about 930.9623375757.

The spelling of 806856562 in words is "eight hundred six million, eight hundred fifty-six thousand, five hundred sixty-two".