2003115996 has 36 divisors (see below), whose sum is σ = 5786780272. Its totient is φ = 572318784.

The previous prime is 2003115949. The next prime is 2003115997. The reversal of 2003115996 is 6995113002.

2003115996 is a `hidden beast` number, since 200 + 311 + 59 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2003115996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003115997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3974185 + ... + 3974688.

Almost surely, 2^2003115996 is an apocalyptic number.

It is an amenable number.

2003115996 is an abundant number, since it is smaller than the sum of its proper divisors (3783664276).

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

2003115996 is a wasteful number, since it uses less digits than its factorization.

2003115996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7948890 (or 7948885 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2003115996 is about 44756.1838855817. The cubic root of 2003115996 is about 1260.5750285385.

Adding to 2003115996 its reverse (6995113002), we get a palindrome (8998228998).

The spelling of 2003115996 in words is "two billion, three million, one hundred fifteen thousand, nine hundred ninety-six".