1009996 has 12 divisors (see below), whose sum is σ = 1903552. Its totient is φ = 466128.

The previous prime is 1009993. The next prime is 1009997. The reversal of 1009996 is 6999001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1009991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9660 + ... + 9763.

2^1009996 is an apocalyptic number.

It is an amenable number.

1009996 is a deficient number, since it is larger than the sum of its proper divisors (893556).

1009996 is a wasteful number, since it uses less digits than its factorization.

1009996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19440 (or 19438 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1009996 is about 1004.9855720357. The cubic root of 1009996 is about 100.3320959022.

The spelling of 1009996 in words is "one million, nine thousand, nine hundred ninety-six".