1728234984 has 128 divisors (see below), whose sum is σ = 5275929600. Its totient is φ = 460753920.

The previous prime is 1728234953. The next prime is 1728235031. The reversal of 1728234984 is 4894328271.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209824 + ... + 217904.

It is an arithmetic number, because the mean of its divisors is an integer number (41218200).

Almost surely, 2^1728234984 is an apocalyptic number.

1728234984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1728234984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637964800).

1728234984 is an abundant number, since it is smaller than the sum of its proper divisors (3547694616).

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

1728234984 is a wasteful number, since it uses less digits than its factorization.

1728234984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183 (or 8179 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 1728234984 is about 41572.0457038140. The cubic root of 1728234984 is about 1200.0543919790.

The spelling of 1728234984 in words is "one billion, seven hundred twenty-eight million, two hundred thirty-four thousand, nine hundred eighty-four".