1000863886 has 16 divisors (see below), whose sum is σ = 1650677760. Its totient is φ = 451354680.

The previous prime is 1000863881. The next prime is 1000863907. The reversal of 1000863886 is 6883680001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000863881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176316 + ... + 181903.

It is an arithmetic number, because the mean of its divisors is an integer number (103167360).

Almost surely, 2^1000863886 is an apocalyptic number.

1000863886 is a deficient number, since it is larger than the sum of its proper divisors (649813874).

1000863886 is a wasteful number, since it uses less digits than its factorization.

1000863886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358359.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1000863886 is about 31636.4328899451. The cubic root of 1000863886 is about 1000.2878791177.

The spelling of 1000863886 in words is "one billion, eight hundred sixty-three thousand, eight hundred eighty-six".