696697 has 4 divisors (see below), whose sum is σ = 698740. Its totient is φ = 694656.

The previous prime is 696691. The next prime is 696719. The reversal of 696697 is 796696.

It is a happy number.

696697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 281961 = 644^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 696697 - 2⁷ = 696569 is a prime.

It is a d-powerful number, because it can be written as 6 + 9³ + 6³ + 6⁶ + 9⁶ + 7⁶ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696697.

It is not an unprimeable number, because it can be changed into a prime (696691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (174685).

2⁶⁹⁶⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

696697 is a deficient number, since it is larger than the sum of its proper divisors (2043).

696697 is a wasteful number, since it uses less digits than its factorization.

696697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its digits is 122472, while the sum is 43.

The square root of 696697 is about 834.6837724552. The cubic root of 696697 is about 88.6505253247.

Subtracting 696697 from its reverse (796696), we obtain a palindrome (99999).

The spelling of 696697 in words is "six hundred ninety-six thousand, six hundred ninety-seven".