104643 has 24 divisors (see below), whose sum is σ = 189696. Its totient is φ = 54000.

The previous prime is 104639. The next prime is 104651. The reversal of 104643 is 346401.

It is not a de Polignac number, because 104643 - 2² = 104639 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (104623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (7904).

2¹⁰⁴⁶⁴³ is an apocalyptic number.

104643 is a deficient number, since it is larger than the sum of its proper divisors (85053).

104643 is a wasteful number, since it uses less digits than its factorization.

104643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 104643 is about 323.4857029298. The cubic root of 104643 is about 47.1234118938.

It can be divided in two parts, 1046 and 43, that added together give a square (1089 = 33²).

The spelling of 104643 in words is "one hundred four thousand, six hundred forty-three".