386924849 has 2 divisors, whose sum is σ = 386924850. Its totient is φ = 386924848.

The previous prime is 386924843. The next prime is 386924851. The reversal of 386924849 is 948429683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346220449 + 40704400 = 18607^2 + 6380^2 .

It is a cyclic number.

It is not a de Polignac number, because 386924849 - 2⁴ = 386924833 is a prime.

Together with 386924851, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 386924849.

It is not a weakly prime, because it can be changed into another prime (386924843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193462424 + 193462425.

It is an arithmetic number, because the mean of its divisors is an integer number (193462425).

Almost surely, 2^386924849 is an apocalyptic number.

It is an amenable number.

386924849 is a deficient number, since it is larger than the sum of its proper divisors (1).

386924849 is an equidigital number, since it uses as much as digits as its factorization.

386924849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The square root of 386924849 is about 19670.4054101587. The cubic root of 386924849 is about 728.6889892993.

The spelling of 386924849 in words is "three hundred eighty-six million, nine hundred twenty-four thousand, eight hundred forty-nine".