386308389 has 8 divisors (see below), whose sum is σ = 519010272. Its totient is φ = 255572720.

The previous prime is 386308381. The next prime is 386308397. The reversal of 386308389 is 983803683.

It is an interprime number because it is at equal distance from previous prime (386308381) and next prime (386308397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 386308389 - 2³ = 386308381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386308381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491094 + ... + 491879.

It is an arithmetic number, because the mean of its divisors is an integer number (64876284).

Almost surely, 2^386308389 is an apocalyptic number.

It is an amenable number.

386308389 is a deficient number, since it is larger than the sum of its proper divisors (132701883).

386308389 is a wasteful number, since it uses less digits than its factorization.

386308389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983107.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 386308389 is about 19654.7294308520. The cubic root of 386308389 is about 728.3017940507.

The spelling of 386308389 in words is "three hundred eighty-six million, three hundred eight thousand, three hundred eighty-nine".