1729328 has 20 divisors (see below), whose sum is σ = 3467040. Its totient is φ = 834624.

The previous prime is 1729327. The next prime is 1729333. The reversal of 1729328 is 8239271.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1729294 and 1729303.

It is not an unprimeable number, because it can be changed into a prime (1729327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400 + ... + 2327.

It is an arithmetic number, because the mean of its divisors is an integer number (173352).

2^1729328 is an apocalyptic number.

It is an amenable number.

1729328 is an abundant number, since it is smaller than the sum of its proper divisors (1737712).

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

1729328 is a wasteful number, since it uses less digits than its factorization.

1729328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 3758 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 1729328 is about 1315.0391629149. The cubic root of 1729328 is about 120.0307328692.

The spelling of 1729328 in words is "one million, seven hundred twenty-nine thousand, three hundred twenty-eight".