386153849 has 2 divisors, whose sum is σ = 386153850. Its totient is φ = 386153848.

The previous prime is 386153837. The next prime is 386153869. The reversal of 386153849 is 948351683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221801449 + 164352400 = 14893^2 + 12820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386153849 is a prime.

It is a super-2 number, since 2×386153849² = 298229590195029602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386153869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193076924 + 193076925.

It is an arithmetic number, because the mean of its divisors is an integer number (193076925).

Almost surely, 2^386153849 is an apocalyptic number.

It is an amenable number.

386153849 is a deficient number, since it is larger than the sum of its proper divisors (1).

386153849 is an equidigital number, since it uses as much as digits as its factorization.

386153849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 386153849 is about 19650.7976682882. The cubic root of 386153849 is about 728.2046637318.

The spelling of 386153849 in words is "three hundred eighty-six million, one hundred fifty-three thousand, eight hundred forty-nine".