386434705 has 16 divisors (see below), whose sum is σ = 474336000. Its totient is φ = 302092672.

The previous prime is 386434703. The next prime is 386434733. The reversal of 386434705 is 507434683.

It is a cyclic number.

It is not a de Polignac number, because 386434705 - 2¹ = 386434703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386434703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257046 + ... + 258544.

It is an arithmetic number, because the mean of its divisors is an integer number (29646000).

Almost surely, 2^386434705 is an apocalyptic number.

It is an amenable number.

386434705 is a deficient number, since it is larger than the sum of its proper divisors (87901295).

386434705 is a wasteful number, since it uses less digits than its factorization.

386434705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 386434705 is about 19657.9425423924. The cubic root of 386434705 is about 728.3811659954.

The spelling of 386434705 in words is "three hundred eighty-six million, four hundred thirty-four thousand, seven hundred five".