696866 has 4 divisors (see below), whose sum is σ = 1045302. Its totient is φ = 348432.

The previous prime is 696853. The next prime is 696887. The reversal of 696866 is 668696.

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

It can be written as a sum of positive squares in only one way, i.e., 648025 + 48841 = 805^2 + 221^2 .

It is an Ulam number.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174215 + ... + 174218.

2⁶⁹⁶⁸⁶⁶ is an apocalyptic number.

696866 is a deficient number, since it is larger than the sum of its proper divisors (348436).

696866 is a wasteful number, since it uses less digits than its factorization.

696866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348435.

The product of its digits is 93312, while the sum is 41.

The square root of 696866 is about 834.7850022611. The cubic root of 696866 is about 88.6576928249.

The spelling of 696866 in words is "six hundred ninety-six thousand, eight hundred sixty-six".