366385 has 4 divisors (see below), whose sum is σ = 439668. Its totient is φ = 293104.

The previous prime is 366383. The next prime is 366397. The reversal of 366385 is 583663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583663 = 661 ⋅883.

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 274576 = 303^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 366385 - 2¹ = 366383 is a prime.

It is a super-3 number, since 3×366385³ = 147548333964349875, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3² + 6⁵ + 3³ + 6⁷ + 8³ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366383) 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, 36634 + ... + 36643.

It is an arithmetic number, because the mean of its divisors is an integer number (109917).

2³⁶⁶³⁸⁵ is an apocalyptic number.

It is an amenable number.

366385 is a deficient number, since it is larger than the sum of its proper divisors (73283).

366385 is an equidigital number, since it uses as much as digits as its factorization.

366385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73282.

The product of its digits is 12960, while the sum is 31.

The square root of 366385 is about 605.2974475413. The cubic root of 366385 is about 71.5559735790. Note that the first 3 decimals are identical.

The spelling of 366385 in words is "three hundred sixty-six thousand, three hundred eighty-five".