82650 has 48 divisors (see below), whose sum is σ = 223200. Its totient is φ = 20160.

The previous prime is 82633. The next prime is 82651. The reversal of 82650 is 5628.

82650 = T₁₃₁ + T₁₃₂ + ... + T₁₃₉.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 82650.

It is not an unprimeable number, because it can be changed into a prime (82651) by changing a digit.

82650 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 23 ways as a sum of consecutive naturals, for example, 2836 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (4650).

2⁸²⁶⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111600).

82650 is an abundant number, since it is smaller than the sum of its proper divisors (140550).

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

82650 is a wasteful number, since it uses less digits than its factorization.

82650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 82650 is about 287.4891302293. The cubic root of 82650 is about 43.5593060810.

The spelling of 82650 in words is "eighty-two thousand, six hundred fifty".