806288386 has 16 divisors (see below), whose sum is σ = 1243085184. Its totient is φ = 391943664.

The previous prime is 806288381. The next prime is 806288387. The reversal of 806288386 is 683882608.

It is a super-2 number, since 2×806288386² = 1300201922796969992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806288381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113701 + ... + 120583.

It is an arithmetic number, because the mean of its divisors is an integer number (77692824).

Almost surely, 2^806288386 is an apocalyptic number.

806288386 is a deficient number, since it is larger than the sum of its proper divisors (436796798).

806288386 is a wasteful number, since it uses less digits than its factorization.

806288386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 806288386 is about 28395.2176607259. The cubic root of 806288386 is about 930.7437631350.

The spelling of 806288386 in words is "eight hundred six million, two hundred eighty-eight thousand, three hundred eighty-six".