1679329 has 2 divisors, whose sum is σ = 1679330. Its totient is φ = 1679328.

The previous prime is 1679323. The next prime is 1679333. The reversal of 1679329 is 9239761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 2304 = 1295^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679329 - 2⁵ = 1679297 is a prime.

It is a super-3 number, since 3×1679329³ = 14207858333137584867, which contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1679323) 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 as a sum of consecutive naturals, namely, 839664 + 839665.

It is an arithmetic number, because the mean of its divisors is an integer number (839665).

2^1679329 is an apocalyptic number.

It is an amenable number.

1679329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679329 is an equidigital number, since it uses as much as digits as its factorization.

1679329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 1679329 is about 1295.8892699610. The cubic root of 1679329 is about 118.8626100761.

The spelling of 1679329 in words is "one million, six hundred seventy-nine thousand, three hundred twenty-nine".