1001009986 has 16 divisors (see below), whose sum is σ = 1537351200. Its totient is φ = 488573568.

The previous prime is 1001009983. The next prime is 1001009987. The reversal of 1001009986 is 6899001001.

1001009986 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 (1001009983) 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, 240370 + ... + 244498.

It is an arithmetic number, because the mean of its divisors is an integer number (96084450).

Almost surely, 2^1001009986 is an apocalyptic number.

1001009986 is a deficient number, since it is larger than the sum of its proper divisors (536341214).

1001009986 is a wasteful number, since it uses less digits than its factorization.

1001009986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1001009986 is about 31638.7418523556. The cubic root of 1001009986 is about 1000.3365487223.

The spelling of 1001009986 in words is "one billion, one million, nine thousand, nine hundred eighty-six".