686348 has 24 divisors (see below), whose sum is σ = 1319472. Its totient is φ = 310464.

The previous prime is 686339. The next prime is 686353. The reversal of 686348 is 843686.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3386 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (54978).

2⁶⁸⁶³⁴⁸ is an apocalyptic number.

It is an amenable number.

686348 is a deficient number, since it is larger than the sum of its proper divisors (633124).

686348 is a wasteful number, since it uses less digits than its factorization.

686348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 686348 is about 828.4612241982. The cubic root of 686348 is about 88.2093843228.

The spelling of 686348 in words is "six hundred eighty-six thousand, three hundred forty-eight".