364238489 has 2 divisors, whose sum is σ = 364238490. Its totient is φ = 364238488.

The previous prime is 364238477. The next prime is 364238533. The reversal of 364238489 is 984832463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258148489 + 106090000 = 16067^2 + 10300^2 .

It is a cyclic number.

It is not a de Polignac number, because 364238489 - 2⁸ = 364238233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (364231489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182119244 + 182119245.

It is an arithmetic number, because the mean of its divisors is an integer number (182119245).

Almost surely, 2^364238489 is an apocalyptic number.

It is an amenable number.

364238489 is a deficient number, since it is larger than the sum of its proper divisors (1).

364238489 is an equidigital number, since it uses as much as digits as its factorization.

364238489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 47.

The square root of 364238489 is about 19085.0331149831. The cubic root of 364238489 is about 714.1596000717.

The spelling of 364238489 in words is "three hundred sixty-four million, two hundred thirty-eight thousand, four hundred eighty-nine".