1000659 has 8 divisors (see below), whose sum is σ = 1455552. Its totient is φ = 606440.

The previous prime is 1000651. The next prime is 1000667. The reversal of 1000659 is 9560001.

It is an interprime number because it is at equal distance from previous prime (1000651) and next prime (1000667).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000659 - 2³ = 1000651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000651) 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 in 7 ways as a sum of consecutive naturals, for example, 15129 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

2^1000659 is an apocalyptic number.

1000659 is a deficient number, since it is larger than the sum of its proper divisors (454893).

1000659 is a wasteful number, since it uses less digits than its factorization.

1000659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30337.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1000659 is about 1000.3294457328. The cubic root of 1000659 is about 100.0219618431.

The spelling of 1000659 in words is "one million, six hundred fifty-nine", and thus it is an aban number.