1005340866 has 16 divisors (see below), whose sum is σ = 2128957344. Its totient is φ = 315401024.

The previous prime is 1005340813. The next prime is 1005340867. The reversal of 1005340866 is 6680435001.

1005340866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1005340867) 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, 4928040 + ... + 4928243.

It is an arithmetic number, because the mean of its divisors is an integer number (133059834).

Almost surely, 2^1005340866 is an apocalyptic number.

1005340866 is an abundant number, since it is smaller than the sum of its proper divisors (1123616478).

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

1005340866 is a wasteful number, since it uses less digits than its factorization.

1005340866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856305.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1005340866 is about 31707.1106536058. The cubic root of 1005340866 is about 1001.7771286097. Note that the first 3 decimals are identical.

Adding to 1005340866 its reverse (6680435001), we get a palindrome (7685775867).

The spelling of 1005340866 in words is "one billion, five million, three hundred forty thousand, eight hundred sixty-six".