1000841996 has 48 divisors (see below), whose sum is σ = 2191725312. Its totient is φ = 388497600.

The previous prime is 1000841977. The next prime is 1000842041. The reversal of 1000841996 is 6991480001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79451 + ... + 91181.

It is an arithmetic number, because the mean of its divisors is an integer number (45660944).

Almost surely, 2^1000841996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000841996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095862656).

1000841996 is an abundant number, since it is smaller than the sum of its proper divisors (1190883316).

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

1000841996 is a wasteful number, since it uses less digits than its factorization.

1000841996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030 (or 12028 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1000841996 is about 31636.0869261671. The cubic root of 1000841996 is about 1000.2805865971.

The spelling of 1000841996 in words is "one billion, eight hundred forty-one thousand, nine hundred ninety-six".