368281 has 4 divisors (see below), whose sum is σ = 369972. Its totient is φ = 366592.

The previous prime is 368279. The next prime is 368287. The reversal of 368281 is 182863.

368281 = T₄₉₄ + T₄₉₅ + T₄₉₆.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 182863 = 107 ⋅1709.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 27225 = 584^2 + 165^2 .

It is a cyclic number.

It is not a de Polignac number, because 368281 - 2¹ = 368279 is a prime.

It is a super-2 number, since 2×368281² = 271261789922, which contains 22 as substring.

It is a Duffinian number.

368281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (368287) 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, 460 + ... + 973.

It is an arithmetic number, because the mean of its divisors is an integer number (92493).

2³⁶⁸²⁸¹ is an apocalyptic number.

368281 is the 496-th centered triangular number.

It is an amenable number.

368281 is a deficient number, since it is larger than the sum of its proper divisors (1691).

368281 is a wasteful number, since it uses less digits than its factorization.

368281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 2304, while the sum is 28.

The square root of 368281 is about 606.8615987192. The cubic root of 368281 is about 71.6791925705.

It can be divided in two parts, 36 and 8281, that multiplied together give a square (298116 = 546²).

The spelling of 368281 in words is "three hundred sixty-eight thousand, two hundred eighty-one".