1679479 has 2 divisors, whose sum is σ = 1679480. Its totient is φ = 1679478.

The previous prime is 1679473. The next prime is 1679501. The reversal of 1679479 is 9749761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1679479 - 2³ = 1679471 is a prime.

It is a super-2 number, since 2×1679479² = 5641299422882, which contains 22 as substring.

1679479 is a lucky number.

It is a nialpdrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839739 + 839740.

It is an arithmetic number, because the mean of its divisors is an integer number (839740).

2^1679479 is an apocalyptic number.

1679479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679479 is an equidigital number, since it uses as much as digits as its factorization.

1679479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 43.

The square root of 1679479 is about 1295.9471439839. The cubic root of 1679479 is about 118.8661489619.

The spelling of 1679479 in words is "one million, six hundred seventy-nine thousand, four hundred seventy-nine".