696666 has 16 divisors (see below), whose sum is σ = 1414944. Its totient is φ = 228624.

The previous prime is 696659. The next prime is 696679. The reversal of 696666 is 666696.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 1268.

It is an arithmetic number, because the mean of its divisors is an integer number (88434).

2⁶⁹⁶⁶⁶⁶ is an apocalyptic number.

696666 is an abundant number, since it is smaller than the sum of its proper divisors (718278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

696666 is a wasteful number, since it uses less digits than its factorization.

696666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805.

The product of its digits is 69984, while the sum is 39.

The square root of 696666 is about 834.6652023416. The cubic root of 696666 is about 88.6492104504.

It can be divided in two parts, 69 and 6666, that multiplied together give a palindrome (459954).

The spelling of 696666 in words is "six hundred ninety-six thousand, six hundred sixty-six".