366813 has 12 divisors (see below), whose sum is σ = 540540. Its totient is φ = 239616.

The previous prime is 366811. The next prime is 366829. The reversal of 366813 is 318663.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 161604 = 453^2 + 402^2 .

It is not a de Polignac number, because 366813 - 2¹ = 366811 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366813.

It is not an unprimeable number, because it can be changed into a prime (366811) 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 11 ways as a sum of consecutive naturals, for example, 93 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (45045).

2³⁶⁶⁸¹³ is an apocalyptic number.

It is an amenable number.

366813 is a deficient number, since it is larger than the sum of its proper divisors (173727).

366813 is a wasteful number, since it uses less digits than its factorization.

366813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 825 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 366813 is about 605.6508895395. The cubic root of 366813 is about 71.5838259192.

The spelling of 366813 in words is "three hundred sixty-six thousand, eight hundred thirteen".