1728089364 has 12 divisors (see below), whose sum is σ = 4032208544. Its totient is φ = 576029784.

The previous prime is 1728089359. The next prime is 1728089369. The reversal of 1728089364 is 4639808271.

It is an interprime number because it is at equal distance from previous prime (1728089359) and next prime (1728089369).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728089369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72003712 + ... + 72003735.

Almost surely, 2^1728089364 is an apocalyptic number.

It is an amenable number.

1728089364 is an abundant number, since it is smaller than the sum of its proper divisors (2304119180).

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

1728089364 is a wasteful number, since it uses less digits than its factorization.

1728089364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144007454 (or 144007452 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1728089364 is about 41570.2942496201. The cubic root of 1728089364 is about 1200.0206857545.

The spelling of 1728089364 in words is "one billion, seven hundred twenty-eight million, eighty-nine thousand, three hundred sixty-four".