1729984896 has 48 divisors (see below), whose sum is σ = 4978215060. Its totient is φ = 576661248.

The previous prime is 1729984849. The next prime is 1729984939. The reversal of 1729984896 is 6984899271.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 749710 + ... + 752013.

Almost surely, 2^1729984896 is an apocalyptic number.

1729984896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1729984896 is an abundant number, since it is smaller than the sum of its proper divisors (3248230164).

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

1729984896 is a wasteful number, since it uses less digits than its factorization.

1729984896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501743 (or 1501728 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 1729984896 is about 41593.0871179334. The cubic root of 1729984896 is about 1200.4592908542.

The spelling of 1729984896 in words is "one billion, seven hundred twenty-nine million, nine hundred eighty-four thousand, eight hundred ninety-six".