1728232 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 764800.

The previous prime is 1728229. The next prime is 1728247. The reversal of 1728232 is 2328271.

1728232 is nontrivially palindromic in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 1728197 and 1728206.

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, 3369 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1728232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1728232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

1728232 is an abundant number, since it is smaller than the sum of its proper divisors (1900568).

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

1728232 is a wasteful number, since it uses less digits than its factorization.

1728232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 533 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 1728232 is about 1314.6223792405. The cubic root of 1728232 is about 120.0053701300.

The spelling of 1728232 in words is "one million, seven hundred twenty-eight thousand, two hundred thirty-two".