696663 has 24 divisors (see below), whose sum is σ = 1138176. Its totient is φ = 406800.

The previous prime is 696659. The next prime is 696679. The reversal of 696663 is 366696.

696663 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 696663 - 2² = 696659 is a prime.

696663 is strictly pandigital in base 7.

It is a nialpdrome in base 15.

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 696663.

It is not an unprimeable number, because it can be changed into a prime (696623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2956 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2⁶⁹⁶⁶⁶³ is an apocalyptic number.

696663 is a deficient number, since it is larger than the sum of its proper divisors (441513).

696663 is a wasteful number, since it uses less digits than its factorization.

696663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

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

The square root of 696663 is about 834.6634052119. The cubic root of 696663 is about 88.6490832024.

It can be divided in two parts, 6 and 96663, that added together give a palindrome (96669).

The spelling of 696663 in words is "six hundred ninety-six thousand, six hundred sixty-three".