1679306 has 4 divisors (see below), whose sum is σ = 2518962. Its totient is φ = 839652.

The previous prime is 1679297. The next prime is 1679323. The reversal of 1679306 is 6039761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 982081 + 697225 = 991^2 + 835^2 .

It is an Ulam number.

It is a nialpdrome in base 6.

It is an unprimeable number.

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, 419825 + ... + 419828.

2^1679306 is an apocalyptic number.

1679306 is a deficient number, since it is larger than the sum of its proper divisors (839656).

1679306 is an equidigital number, since it uses as much as digits as its factorization.

1679306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839655.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1679306 is about 1295.8803957156. The cubic root of 1679306 is about 118.8620674283.

The spelling of 1679306 in words is "one million, six hundred seventy-nine thousand, three hundred six".