386081239 has 2 divisors, whose sum is σ = 386081240. Its totient is φ = 386081238.

The previous prime is 386081231. The next prime is 386081249. The reversal of 386081239 is 932180683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 386081239 - 2³ = 386081231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386081231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193040619 + 193040620.

It is an arithmetic number, because the mean of its divisors is an integer number (193040620).

Almost surely, 2^386081239 is an apocalyptic number.

386081239 is a deficient number, since it is larger than the sum of its proper divisors (1).

386081239 is an equidigital number, since it uses as much as digits as its factorization.

386081239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 386081239 is about 19648.9500737317. The cubic root of 386081239 is about 728.1590184920.

The spelling of 386081239 in words is "three hundred eighty-six million, eighty-one thousand, two hundred thirty-nine".