1996813916 has 12 divisors (see below), whose sum is σ = 3496162488. Its totient is φ = 997910352.

The previous prime is 1996813913. The next prime is 1996813981. The reversal of 1996813916 is 6193186991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996813913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115031 + ... + 131246.

It is an arithmetic number, because the mean of its divisors is an integer number (291346874).

Almost surely, 2^1996813916 is an apocalyptic number.

It is an amenable number.

1996813916 is a deficient number, since it is larger than the sum of its proper divisors (1499348572).

1996813916 is a wasteful number, since it uses less digits than its factorization.

1996813916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248308 (or 248306 counting only the distinct ones).

The product of its digits is 629856, while the sum is 53.

The square root of 1996813916 is about 44685.7238500172. The cubic root of 1996813916 is about 1259.2516585964.

The spelling of 1996813916 in words is "one billion, nine hundred ninety-six million, eight hundred thirteen thousand, nine hundred sixteen".