366866 has 8 divisors (see below), whose sum is σ = 560844. Its totient is φ = 179920.

The previous prime is 366859. The next prime is 366869. The reversal of 366866 is 668663.

It can be written as a sum of positive squares in 2 ways, for example, as 366025 + 841 = 605^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366866.

It is not an unprimeable number, because it can be changed into a prime (366869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625 + ... + 1836.

2³⁶⁶⁸⁶⁶ is an apocalyptic number.

366866 is a deficient number, since it is larger than the sum of its proper divisors (193978).

366866 is a wasteful number, since it uses less digits than its factorization.

366866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516.

The product of its digits is 31104, while the sum is 35.

The square root of 366866 is about 605.6946425386. The cubic root of 366866 is about 71.5872734161.

It can be divided in two parts, 36686 and 6, that multiplied together give a triangular number (220116 = T₆₆₃).

The spelling of 366866 in words is "three hundred sixty-six thousand, eight hundred sixty-six".