366784 has 28 divisors (see below), whose sum is σ = 795528. Its totient is φ = 166400.

The previous prime is 366733. The next prime is 366787. The reversal of 366784 is 487663.

366784 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (366787) by changing a digit.

366784 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444 + ... + 964.

2³⁶⁶⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397764).

366784 is an abundant number, since it is smaller than the sum of its proper divisors (428744).

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

366784 is a wasteful number, since it uses less digits than its factorization.

366784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 366784 is about 605.6269478813. The cubic root of 366784 is about 71.5819394124.

The spelling of 366784 in words is "three hundred sixty-six thousand, seven hundred eighty-four".