368391229 has 2 divisors, whose sum is σ = 368391230. Its totient is φ = 368391228.

The previous prime is 368391193. The next prime is 368391251. The reversal of 368391229 is 922193863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339554329 + 28836900 = 18427^2 + 5370^2 .

It is a cyclic number.

It is not a de Polignac number, because 368391229 - 2¹⁷ = 368260157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368391329) 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, 184195614 + 184195615.

It is an arithmetic number, because the mean of its divisors is an integer number (184195615).

Almost surely, 2^368391229 is an apocalyptic number.

It is an amenable number.

368391229 is a deficient number, since it is larger than the sum of its proper divisors (1).

368391229 is an equidigital number, since it uses as much as digits as its factorization.

368391229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 368391229 is about 19193.5204952088. The cubic root of 368391229 is about 716.8634321325.

The spelling of 368391229 in words is "three hundred sixty-eight million, three hundred ninety-one thousand, two hundred twenty-nine".