366823 has 4 divisors (see below), whose sum is σ = 378688. Its totient is φ = 354960.

The previous prime is 366811. The next prime is 366829. The reversal of 366823 is 328663.

366823 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328663 = 137 ⋅2399.

It is a cyclic number.

It is not a de Polignac number, because 366823 - 2⁵ = 366791 is a prime.

It is a super-2 number, since 2×366823² = 269118226658, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

366823 is an undulating number in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 366791 and 366800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5886 + ... + 5947.

It is an arithmetic number, because the mean of its divisors is an integer number (94672).

2³⁶⁶⁸²³ is an apocalyptic number.

366823 is a deficient number, since it is larger than the sum of its proper divisors (11865).

366823 is a wasteful number, since it uses less digits than its factorization.

366823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864.

The product of its digits is 5184, while the sum is 28.

The square root of 366823 is about 605.6591450643. The cubic root of 366823 is about 71.5844764157.

It can be divided in two parts, 36 and 6823, that added together give a cube (6859 = 19³).

The spelling of 366823 in words is "three hundred sixty-six thousand, eight hundred twenty-three".