1716216 has 32 divisors (see below), whose sum is σ = 4392960. Its totient is φ = 558432.

The previous prime is 1716203. The next prime is 1716217. The reversal of 1716216 is 6126171.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1716217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (137280).

2^1716216 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 1716216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196480).

1716216 is an abundant number, since it is smaller than the sum of its proper divisors (2676744).

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

1716216 is a wasteful number, since it uses less digits than its factorization.

1716216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1711 counting only the distinct ones).

The product of its digits is 504, while the sum is 24.

The square root of 1716216 is about 1310.0442740610. The cubic root of 1716216 is about 119.7265997980.

The spelling of 1716216 in words is "one million, seven hundred sixteen thousand, two hundred sixteen".