1000679 has 2 divisors, whose sum is σ = 1000680. Its totient is φ = 1000678.

The previous prime is 1000669. The next prime is 1000691. The reversal of 1000679 is 9760001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000679 - 2⁸ = 1000423 is a prime.

It is a super-2 number, since 2×1000679² = 2002716922082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500339 + 500340.

It is an arithmetic number, because the mean of its divisors is an integer number (500340).

2^1000679 is an apocalyptic number.

1000679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000679 is an equidigital number, since it uses as much as digits as its factorization.

1000679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1000679 is about 1000.3394423894. The cubic root of 1000679 is about 100.0226282126.

The spelling of 1000679 in words is "one million, six hundred seventy-nine", and thus it is an aban number.