418866 has 16 divisors (see below), whose sum is σ = 957504. Its totient is φ = 119664.

The previous prime is 418861. The next prime is 418867. The reversal of 418866 is 668814.

418866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (418861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (59844).

2⁴¹⁸⁸⁶⁶ is an apocalyptic number.

418866 is an abundant number, since it is smaller than the sum of its proper divisors (538638).

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

418866 is a wasteful number, since it uses less digits than its factorization.

418866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985.

The product of its digits is 9216, while the sum is 33.

The square root of 418866 is about 647.1985784904. The cubic root of 418866 is about 74.8212632697.

The spelling of 418866 in words is "four hundred eighteen thousand, eight hundred sixty-six".