1679317 has 4 divisors (see below), whose sum is σ = 1707840. Its totient is φ = 1650796.

The previous prime is 1679297. The next prime is 1679323. The reversal of 1679317 is 7139761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7139761 = 1667 ⋅4283.

It is a cyclic number.

It is not a de Polignac number, because 1679317 - 2⁷ = 1679189 is a prime.

It is a Duffinian number.

1679317 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679017) 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, 14173 + ... + 14290.

It is an arithmetic number, because the mean of its divisors is an integer number (426960).

2^1679317 is an apocalyptic number.

It is an amenable number.

1679317 is a deficient number, since it is larger than the sum of its proper divisors (28523).

1679317 is an equidigital number, since it uses as much as digits as its factorization.

1679317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522.

The product of its digits is 7938, while the sum is 34.

The square root of 1679317 is about 1295.8846399275. The cubic root of 1679317 is about 118.8623269562.

The spelling of 1679317 in words is "one million, six hundred seventy-nine thousand, three hundred seventeen".