696636 has 36 divisors (see below), whose sum is σ = 1811992. Its totient is φ = 225504.

The previous prime is 696629. The next prime is 696653. The reversal of 696636 is 636696.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 696636.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696636.

It is an unprimeable number.

696636 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071 + ... + 1593.

2⁶⁹⁶⁶³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905996).

696636 is an abundant number, since it is smaller than the sum of its proper divisors (1115356).

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

696636 is a wasteful number, since it uses less digits than its factorization.

696636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 565 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 696636 is about 834.6472308706. The cubic root of 696636 is about 88.6479379542.

The spelling of 696636 in words is "six hundred ninety-six thousand, six hundred thirty-six".