1729028 has 12 divisors (see below), whose sum is σ = 3458112. Its totient is φ = 741000.

The previous prime is 1729001. The next prime is 1729033. The reversal of 1729028 is 8209271.

It is a happy number.

1729028 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30848 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (288176).

2^1729028 is an apocalyptic number.

It is an amenable number.

1729028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1729028 is a wasteful number, since it uses less digits than its factorization.

1729028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61762 (or 61760 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1729028 is about 1314.9250929235. The cubic root of 1729028 is about 120.0237915790.

The spelling of 1729028 in words is "one million, seven hundred twenty-nine thousand, twenty-eight".