1679426 has 12 divisors (see below), whose sum is σ = 2930598. Its totient is φ = 719712.

The previous prime is 1679417. The next prime is 1679443. The reversal of 1679426 is 6249761.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 2401 = 1295^2 + 49^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8471 + ... + 8666.

2^1679426 is an apocalyptic number.

1679426 is a deficient number, since it is larger than the sum of its proper divisors (1251172).

1679426 is a wasteful number, since it uses less digits than its factorization.

1679426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17153 (or 17146 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 1679426 is about 1295.9266954577. The cubic root of 1679426 is about 118.8648985797.

The spelling of 1679426 in words is "one million, six hundred seventy-nine thousand, four hundred twenty-six".