1996729008 has 40 divisors (see below), whose sum is σ = 5220374208. Its totient is φ = 657556032.

The previous prime is 1996728991. The next prime is 1996729073. The reversal of 1996729008 is 8009276991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246610 + ... + 254577.

Almost surely, 2^1996729008 is an apocalyptic number.

It is an amenable number.

1996729008 is an abundant number, since it is smaller than the sum of its proper divisors (3223645200).

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

1996729008 is a wasteful number, since it uses less digits than its factorization.

1996729008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501281 (or 501275 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1996729008 is about 44684.7737825761. The cubic root of 1996729008 is about 1259.2338098200.

The spelling of 1996729008 in words is "one billion, nine hundred ninety-six million, seven hundred twenty-nine thousand, eight".