366845 has 4 divisors (see below), whose sum is σ = 440220. Its totient is φ = 293472.

The previous prime is 366841. The next prime is 366851. The reversal of 366845 is 548663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 326041 = 202^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 366845 - 2² = 366841 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366841) 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, 36680 + ... + 36689.

It is an arithmetic number, because the mean of its divisors is an integer number (110055).

2³⁶⁶⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

366845 is a deficient number, since it is larger than the sum of its proper divisors (73375).

366845 is an equidigital number, since it uses as much as digits as its factorization.

366845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73374.

The product of its digits is 17280, while the sum is 32.

The square root of 366845 is about 605.6773068227. The cubic root of 366845 is about 71.5859074665.

The spelling of 366845 in words is "three hundred sixty-six thousand, eight hundred forty-five".