806845653 has 24 divisors (see below), whose sum is σ = 1235497536. Its totient is φ = 505641600.

The previous prime is 806845607. The next prime is 806845667. The reversal of 806845653 is 356548608.

806845653 is a `hidden beast` number, since 8 + 0 + 6 + 84 + 565 + 3 = 666.

It is not a de Polignac number, because 806845653 - 2¹³ = 806837461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 806845599 and 806845608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806805653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145848 + ... + 151278.

It is an arithmetic number, because the mean of its divisors is an integer number (51479064).

Almost surely, 2^806845653 is an apocalyptic number.

It is an amenable number.

806845653 is a deficient number, since it is larger than the sum of its proper divisors (428651883).

806845653 is a wasteful number, since it uses less digits than its factorization.

806845653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 806845653 is about 28405.0286569121. The cubic root of 806845653 is about 930.9581419047.

The spelling of 806845653 in words is "eight hundred six million, eight hundred forty-five thousand, six hundred fifty-three".