806388966 has 32 divisors (see below), whose sum is σ = 1793282400. Its totient is φ = 268600320.

The previous prime is 806388941. The next prime is 806388967. The reversal of 806388966 is 669883608.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806388967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82246 + ... + 91526.

It is an arithmetic number, because the mean of its divisors is an integer number (56040075).

Almost surely, 2^806388966 is an apocalyptic number.

806388966 is an abundant number, since it is smaller than the sum of its proper divisors (986893434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806388966 is a wasteful number, since it uses less digits than its factorization.

806388966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10901 (or 10895 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 806388966 is about 28396.9886783793. The cubic root of 806388966 is about 930.7824632316.

The spelling of 806388966 in words is "eight hundred six million, three hundred eighty-eight thousand, nine hundred sixty-six".