1001000986 has 16 divisors (see below), whose sum is σ = 1569960000. Its totient is φ = 477769248.

The previous prime is 1001000981. The next prime is 1001000989. The reversal of 1001000986 is 6890001001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001000986.

It is not an unprimeable number, because it can be changed into a prime (1001000981) 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 7 ways as a sum of consecutive naturals, for example, 1150 + ... + 44758.

It is an arithmetic number, because the mean of its divisors is an integer number (98122500).

Almost surely, 2^1001000986 is an apocalyptic number.

1001000986 is a deficient number, since it is larger than the sum of its proper divisors (568959014).

1001000986 is a wasteful number, since it uses less digits than its factorization.

1001000986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44133.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1001000986 is about 31638.5996213486. The cubic root of 1001000986 is about 1000.3335507315. Note that the first 3 decimals are identical.

Adding to 1001000986 its reverse (6890001001), we get a palindrome (7891001987).

The spelling of 1001000986 in words is "one billion, one million, nine hundred eighty-six", and thus it is an aban number.