386764121 has 2 divisors, whose sum is σ = 386764122. Its totient is φ = 386764120.

The previous prime is 386764109. The next prime is 386764129. The reversal of 386764121 is 121467683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318122896 + 68641225 = 17836^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 386764121 - 2²⁶ = 319655257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386764129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193382060 + 193382061.

It is an arithmetic number, because the mean of its divisors is an integer number (193382061).

Almost surely, 2^386764121 is an apocalyptic number.

It is an amenable number.

386764121 is a deficient number, since it is larger than the sum of its proper divisors (1).

386764121 is an equidigital number, since it uses as much as digits as its factorization.

386764121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 386764121 is about 19666.3194573870. The cubic root of 386764121 is about 728.5880765552.

The spelling of 386764121 in words is "three hundred eighty-six million, seven hundred sixty-four thousand, one hundred twenty-one".