1720314 has 24 divisors (see below), whose sum is σ = 3848832. Its totient is φ = 554760.

The previous prime is 1720307. The next prime is 1720321. The reversal of 1720314 is 4130271.

It is an interprime number because it is at equal distance from previous prime (1720307) and next prime (1720321).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 11.

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, 984 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (160368).

2^1720314 is an apocalyptic number.

1720314 is an abundant number, since it is smaller than the sum of its proper divisors (2128518).

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

1720314 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1720314 = (3211740)₉.

1720314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1720314 is about 1311.6074107750. The cubic root of 1720314 is about 119.8218188934.

Adding to 1720314 its reverse (4130271), we get a palindrome (5850585).

The spelling of 1720314 in words is "one million, seven hundred twenty thousand, three hundred fourteen".