386341289 has 2 divisors, whose sum is σ = 386341290. Its totient is φ = 386341288.

The previous prime is 386341273. The next prime is 386341321. The reversal of 386341289 is 982143683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305970064 + 80371225 = 17492^2 + 8965^2 .

It is an emirp because it is prime and its reverse (982143683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386341289 - 2⁴ = 386341273 is a prime.

It is a super-3 number, since 3×386341289³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386341489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193170644 + 193170645.

It is an arithmetic number, because the mean of its divisors is an integer number (193170645).

Almost surely, 2^386341289 is an apocalyptic number.

It is an amenable number.

386341289 is a deficient number, since it is larger than the sum of its proper divisors (1).

386341289 is an equidigital number, since it uses as much as digits as its factorization.

386341289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 386341289 is about 19655.5663617205. The cubic root of 386341289 is about 728.3224687669.

The spelling of 386341289 in words is "three hundred eighty-six million, three hundred forty-one thousand, two hundred eighty-nine".