699768 has 24 divisors (see below), whose sum is σ = 1895400. Its totient is φ = 233232.

The previous prime is 699767. The next prime is 699791. The reversal of 699768 is 867996.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4788 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2⁶⁹⁹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

699768 is an abundant number, since it is smaller than the sum of its proper divisors (1195632).

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

699768 is a wasteful number, since it uses less digits than its factorization.

699768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731 (or 9724 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 699768 is about 836.5213685256. The cubic root of 699768 is about 88.7805898652.

The spelling of 699768 in words is "six hundred ninety-nine thousand, seven hundred sixty-eight".