386086009 has 4 divisors (see below), whose sum is σ = 396520804. Its totient is φ = 375651216.

The previous prime is 386085991. The next prime is 386086021. The reversal of 386086009 is 900680683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900680683 = 7 ⋅128668669.

It can be written as a sum of positive squares in 2 ways, for example, as 352387984 + 33698025 = 18772^2 + 5805^2 .

It is a cyclic number.

It is not a de Polignac number, because 386086009 - 2⁷ = 386085881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386036009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5217342 + ... + 5217415.

It is an arithmetic number, because the mean of its divisors is an integer number (99130201).

Almost surely, 2^386086009 is an apocalyptic number.

It is an amenable number.

386086009 is a deficient number, since it is larger than the sum of its proper divisors (10434795).

386086009 is a wasteful number, since it uses less digits than its factorization.

386086009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434794.

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

The square root of 386086009 is about 19649.0714538881. The cubic root of 386086009 is about 728.1620172600.

The spelling of 386086009 in words is "three hundred eighty-six million, eighty-six thousand, nine".