1728429384 has 32 divisors (see below), whose sum is σ = 4713899040. Its totient is φ = 523766400.

The previous prime is 1728429349. The next prime is 1728429403. The reversal of 1728429384 is 4839248271.

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, 3273277 + ... + 3273804.

It is an arithmetic number, because the mean of its divisors is an integer number (147309345).

Almost surely, 2^1728429384 is an apocalyptic number.

It is an amenable number.

1728429384 is an abundant number, since it is smaller than the sum of its proper divisors (2985469656).

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

1728429384 is a wasteful number, since it uses less digits than its factorization.

1728429384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547101 (or 6547097 counting only the distinct ones).

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

The square root of 1728429384 is about 41574.3837476877. The cubic root of 1728429384 is about 1200.0993862129.

The spelling of 1728429384 in words is "one billion, seven hundred twenty-eight million, four hundred twenty-nine thousand, three hundred eighty-four".