1729116 has 36 divisors (see below), whose sum is σ = 4476472. Its totient is φ = 562464.

The previous prime is 1729109. The next prime is 1729127. The reversal of 1729116 is 6119271.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1729116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 990 + ... + 2106.

2^1729116 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 1729116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238236).

1729116 is an abundant number, since it is smaller than the sum of its proper divisors (2747356).

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

1729116 is a wasteful number, since it uses less digits than its factorization.

1729116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1165 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1729116 is about 1314.9585544800. The cubic root of 1729116 is about 120.0258277740.

The spelling of 1729116 in words is "one million, seven hundred twenty-nine thousand, one hundred sixteen".