1115996 has 12 divisors (see below), whose sum is σ = 2232048. Its totient is φ = 478272.

The previous prime is 1115993. The next prime is 1116001. The reversal of 1115996 is 6995111.

It is a happy number.

1115996 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19901 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (186004).

2^1115996 is an apocalyptic number.

It is an amenable number.

1115996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1115996 is a wasteful number, since it uses less digits than its factorization.

1115996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868 (or 39866 counting only the distinct ones).

The product of its digits is 2430, while the sum is 32.

The square root of 1115996 is about 1056.4071184917. The cubic root of 1115996 is about 103.7259798266.

The spelling of 1115996 in words is "one million, one hundred fifteen thousand, nine hundred ninety-six".