685962 has 16 divisors (see below), whose sum is σ = 1524480. Its totient is φ = 228636.

The previous prime is 685939. The next prime is 685963. The reversal of 685962 is 269586.

685962 is a `hidden beast` number, since 68 + 596 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (685963) by changing a digit.

685962 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 6298 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (95280).

2⁶⁸⁵⁹⁶² is an apocalyptic number.

685962 is an abundant number, since it is smaller than the sum of its proper divisors (838518).

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

685962 is a wasteful number, since it uses less digits than its factorization.

685962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714 (or 12708 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 685962 is about 828.2282294151. The cubic root of 685962 is about 88.1928449932.

The spelling of 685962 in words is "six hundred eighty-five thousand, nine hundred sixty-two".