386137429 has 2 divisors, whose sum is σ = 386137430. Its totient is φ = 386137428.

The previous prime is 386137403. The next prime is 386137441. The reversal of 386137429 is 924731683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324828529 + 61308900 = 18023^2 + 7830^2 .

It is an emirp because it is prime and its reverse (924731683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386137429 - 2⁵ = 386137397 is a prime.

It is a super-2 number, since 2×386137429² = 298204228149460082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386137459) 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, 193068714 + 193068715.

It is an arithmetic number, because the mean of its divisors is an integer number (193068715).

Almost surely, 2^386137429 is an apocalyptic number.

It is an amenable number.

386137429 is a deficient number, since it is larger than the sum of its proper divisors (1).

386137429 is an equidigital number, since it uses as much as digits as its factorization.

386137429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 386137429 is about 19650.3798691018. The cubic root of 386137429 is about 728.1943420339.

The spelling of 386137429 in words is "three hundred eighty-six million, one hundred thirty-seven thousand, four hundred twenty-nine".