366864427 has 2 divisors, whose sum is σ = 366864428. Its totient is φ = 366864426.

The previous prime is 366864397. The next prime is 366864451. The reversal of 366864427 is 724468663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 366864427 - 2⁷ = 366864299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (366864527) 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, 183432213 + 183432214.

It is an arithmetic number, because the mean of its divisors is an integer number (183432214).

Almost surely, 2^366864427 is an apocalyptic number.

366864427 is a deficient number, since it is larger than the sum of its proper divisors (1).

366864427 is an equidigital number, since it uses as much as digits as its factorization.

366864427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 46.

The square root of 366864427 is about 19153.7053073289. The cubic root of 366864427 is about 715.8717110175.

The spelling of 366864427 in words is "three hundred sixty-six million, eight hundred sixty-four thousand, four hundred twenty-seven".