1006699 has 4 divisors (see below), whose sum is σ = 1008864. Its totient is φ = 1004536.

The previous prime is 1006651. The next prime is 1006711. The reversal of 1006699 is 9966001.

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

It is a cyclic number.

It is not a de Polignac number, because 1006699 - 2¹¹ = 1004651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006609) by changing a digit.

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, 67 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (252216).

2^1006699 is an apocalyptic number.

1006699 is a deficient number, since it is larger than the sum of its proper divisors (2165).

1006699 is an equidigital number, since it uses as much as digits as its factorization.

1006699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1006699 is about 1003.3439091358. The cubic root of 1006699 is about 100.2228032186. Note that the first 3 decimals are identical.

The spelling of 1006699 in words is "one million, six thousand, six hundred ninety-nine".