368021 has 2 divisors, whose sum is σ = 368022. Its totient is φ = 368020.

The previous prime is 367957. The next prime is 368029. The reversal of 368021 is 120863.

368021 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286225 + 81796 = 535^2 + 286^2 .

It is an emirp because it is prime and its reverse (120863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368021 - 2⁶ = 367957 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 367984 and 368002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368029) 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 as a sum of consecutive naturals, namely, 184010 + 184011.

It is an arithmetic number, because the mean of its divisors is an integer number (184011).

2³⁶⁸⁰²¹ is an apocalyptic number.

It is an amenable number.

368021 is a deficient number, since it is larger than the sum of its proper divisors (1).

368021 is an equidigital number, since it uses as much as digits as its factorization.

368021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 368021 is about 606.6473440146. The cubic root of 368021 is about 71.6623205104.

Adding to 368021 its reverse (120863), we get a palindrome (488884).

The spelling of 368021 in words is "three hundred sixty-eight thousand, twenty-one".