104866 has 4 divisors (see below), whose sum is σ = 157302. Its totient is φ = 52432.

The previous prime is 104851. The next prime is 104869. The reversal of 104866 is 668401.

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., 75625 + 29241 = 275^2 + 171^2 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 104866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104869) by changing a digit.

104866 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 as a sum of consecutive naturals, namely, 26215 + ... + 26218.

2¹⁰⁴⁸⁶⁶ is an apocalyptic number.

104866 is a deficient number, since it is larger than the sum of its proper divisors (52436).

104866 is an equidigital number, since it uses as much as digits as its factorization.

104866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52435.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 104866 is about 323.8302024210. The cubic root of 104866 is about 47.1568623394.

The spelling of 104866 in words is "one hundred four thousand, eight hundred sixty-six".