386070385 has 4 divisors (see below), whose sum is σ = 463284468. Its totient is φ = 308856304.

The previous prime is 386070337. The next prime is 386070389. The reversal of 386070385 is 583070683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115928289 + 270142096 = 10767^2 + 16436^2 .

It is a cyclic number.

It is not a de Polignac number, because 386070385 - 2⁷ = 386070257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386070389) 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, 38607034 + ... + 38607043.

It is an arithmetic number, because the mean of its divisors is an integer number (115821117).

Almost surely, 2^386070385 is an apocalyptic number.

It is an amenable number.

386070385 is a deficient number, since it is larger than the sum of its proper divisors (77214083).

386070385 is an equidigital number, since it uses as much as digits as its factorization.

386070385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77214082.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 386070385 is about 19648.6738738267. The cubic root of 386070385 is about 728.1521947882.

The spelling of 386070385 in words is "three hundred eighty-six million, seventy thousand, three hundred eighty-five".