1679065 has 4 divisors (see below), whose sum is σ = 2014884. Its totient is φ = 1343248.

The previous prime is 1679059. The next prime is 1679077. The reversal of 1679065 is 5609761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 484416 + 1194649 = 696^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679065 - 2³ = 1679057 is a prime.

It is a Duffinian number.

1679065 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1679065.

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 in 3 ways as a sum of consecutive naturals, for example, 167902 + ... + 167911.

It is an arithmetic number, because the mean of its divisors is an integer number (503721).

2^1679065 is an apocalyptic number.

It is an amenable number.

1679065 is a deficient number, since it is larger than the sum of its proper divisors (335819).

1679065 is an equidigital number, since it uses as much as digits as its factorization.

1679065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335818.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1679065 is about 1295.7874054026. The cubic root of 1679065 is about 118.8563811253.

The spelling of 1679065 in words is "one million, six hundred seventy-nine thousand, sixty-five".