1719968 has 24 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 844480.

The previous prime is 1719967. The next prime is 1719983. The reversal of 1719968 is 8699171.

It is a happy number.

Its product of digits (27216) is a multiple of the sum of its prime divisors (972).

It is not an unprimeable number, because it can be changed into a prime (1719967) 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, 1433 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1719968 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 1719968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1719968 is an abundant number, since it is smaller than the sum of its proper divisors (1727392).

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

1719968 is an equidigital number, since it uses as much as digits as its factorization.

1719968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 972 counting only the distinct ones).

The product of its digits is 27216, while the sum is 41.

The square root of 1719968 is about 1311.4755049180. The cubic root of 1719968 is about 119.8137852575.

The spelling of 1719968 in words is "one million, seven hundred nineteen thousand, nine hundred sixty-eight".