1011996 has 18 divisors (see below), whose sum is σ = 2558192. Its totient is φ = 337320.

The previous prime is 1011979. The next prime is 1012007. The reversal of 1011996 is 6991101.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14020 + ... + 14091.

2^1011996 is an apocalyptic number.

It is an amenable number.

1011996 is an abundant number, since it is smaller than the sum of its proper divisors (1546196).

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

1011996 is a wasteful number, since it uses less digits than its factorization.

1011996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28121 (or 28116 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 1011996 is about 1005.9801190878. The cubic root of 1011996 is about 100.3982783047.

The spelling of 1011996 in words is "one million, eleven thousand, nine hundred ninety-six".