366243 has 4 divisors (see below), whose sum is σ = 488328. Its totient is φ = 244160.

The previous prime is 366239. The next prime is 366259. The reversal of 366243 is 342663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342663 = 3 ⋅114221.

It is a cyclic number.

It is not a de Polignac number, because 366243 - 2² = 366239 is a prime.

It is a D-number.

366243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (366293) 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, 61038 + ... + 61043.

It is an arithmetic number, because the mean of its divisors is an integer number (122082).

2³⁶⁶²⁴³ is an apocalyptic number.

366243 is a deficient number, since it is larger than the sum of its proper divisors (122085).

366243 is a wasteful number, since it uses less digits than its factorization.

366243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122084.

The product of its digits is 2592, while the sum is 24.

The square root of 366243 is about 605.1801384712. The cubic root of 366243 is about 71.5467280574.

The spelling of 366243 in words is "three hundred sixty-six thousand, two hundred forty-three".