682650 has 72 divisors (see below), whose sum is σ = 1929564. Its totient is φ = 172800.

The previous prime is 682637. The next prime is 682657. The reversal of 682650 is 56286.

682650 is a `hidden beast` number, since 6 + 8 + 2 + 650 = 666.

682650 is nontrivially palindromic in base 4.

682650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 210681 + 471969 = 459^2 + 687^2 .

It is a super-2 number, since 2×682650² = 932022045000, which contains 22 as substring.

It is a nialpdrome in base 15.

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

682650 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16630 + ... + 16670.

2⁶⁸²⁶⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 682650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964782).

682650 is an abundant number, since it is smaller than the sum of its proper divisors (1246914).

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

682650 is a wasteful number, since it uses less digits than its factorization.

682650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 682650 is about 826.2263612352. The cubic root of 682650 is about 88.0506767340.

The spelling of 682650 in words is "six hundred eighty-two thousand, six hundred fifty".