686962 has 4 divisors (see below), whose sum is σ = 1030446. Its totient is φ = 343480.

The previous prime is 686947. The next prime is 686963. The reversal of 686962 is 269686.

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., 657721 + 29241 = 811^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (686963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171739 + ... + 171742.

2⁶⁸⁶⁹⁶² is an apocalyptic number.

686962 is a deficient number, since it is larger than the sum of its proper divisors (343484).

686962 is a wasteful number, since it uses less digits than its factorization.

686962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343483.

The product of its digits is 31104, while the sum is 37.

The square root of 686962 is about 828.8317078877. The cubic root of 686962 is about 88.2356802249.

It can be divided in two parts, 6 and 86962, that added together give a palindrome (86968).

The spelling of 686962 in words is "six hundred eighty-six thousand, nine hundred sixty-two".