806293989 has 24 divisors (see below), whose sum is σ = 1232843040. Its totient is φ = 506917152.

The previous prime is 806293949. The next prime is 806293993. The reversal of 806293989 is 989392608.

806293989 is a `hidden beast` number, since 8 + 0 + 629 + 3 + 9 + 8 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-806293989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806293949) 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 23 ways as a sum of consecutive naturals, for example, 24699 + ... + 47144.

It is an arithmetic number, because the mean of its divisors is an integer number (51368460).

Almost surely, 2^806293989 is an apocalyptic number.

It is an amenable number.

806293989 is a deficient number, since it is larger than the sum of its proper divisors (426549051).

806293989 is a wasteful number, since it uses less digits than its factorization.

806293989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71921 (or 71918 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 806293989 is about 28395.3163215344. The cubic root of 806293989 is about 930.7459190820.

The spelling of 806293989 in words is "eight hundred six million, two hundred ninety-three thousand, nine hundred eighty-nine".