1996984836 has 72 divisors (see below), whose sum is σ = 6293536704. Its totient is φ = 518696640.

The previous prime is 1996984819. The next prime is 1996984901. The reversal of 1996984836 is 6384896991.

It is a happy number.

1996984836 is a `hidden beast` number, since 1 + 99 + 69 + 8 + 483 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357435 + ... + 362978.

It is an arithmetic number, because the mean of its divisors is an integer number (87410232).

Almost surely, 2^1996984836 is an apocalyptic number.

It is an amenable number.

1996984836 is an abundant number, since it is smaller than the sum of its proper divisors (4296551868).

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

1996984836 is a wasteful number, since it uses less digits than its factorization.

1996984836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720441 (or 720436 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 1996984836 is about 44687.6362767153. The cubic root of 1996984836 is about 1259.2875866902.

The spelling of 1996984836 in words is "one billion, nine hundred ninety-six million, nine hundred eighty-four thousand, eight hundred thirty-six".