682655 has 4 divisors (see below), whose sum is σ = 819192. Its totient is φ = 546120.

The previous prime is 682637. The next prime is 682657. The reversal of 682655 is 556286.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556286 = 2 ⋅278143.

It is not a de Polignac number, because 682655 - 2¹⁰ = 681631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68261 + ... + 68270.

It is an arithmetic number, because the mean of its divisors is an integer number (204798).

2⁶⁸²⁶⁵⁵ is an apocalyptic number.

682655 is a deficient number, since it is larger than the sum of its proper divisors (136537).

682655 is a wasteful number, since it uses less digits than its factorization.

682655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136536.

The product of its digits is 14400, while the sum is 32.

The square root of 682655 is about 826.2293870349. The cubic root of 682655 is about 88.0508917061.

The spelling of 682655 in words is "six hundred eighty-two thousand, six hundred fifty-five".