386634253 has 2 divisors, whose sum is σ = 386634254. Its totient is φ = 386634252.

The previous prime is 386634251. The next prime is 386634271. The reversal of 386634253 is 352436683.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228553924 + 158080329 = 15118^2 + 12573^2 .

It is a cyclic number.

It is not a de Polignac number, because 386634253 - 2¹ = 386634251 is a prime.

Together with 386634251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386634251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193317126 + 193317127.

It is an arithmetic number, because the mean of its divisors is an integer number (193317127).

Almost surely, 2^386634253 is an apocalyptic number.

It is an amenable number.

386634253 is a deficient number, since it is larger than the sum of its proper divisors (1).

386634253 is an equidigital number, since it uses as much as digits as its factorization.

386634253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 386634253 is about 19663.0173930656. The cubic root of 386634253 is about 728.5065187756.

The spelling of 386634253 in words is "three hundred eighty-six million, six hundred thirty-four thousand, two hundred fifty-three".