386443834 has 16 divisors (see below), whose sum is σ = 663804288. Its totient is φ = 165286512.

The previous prime is 386443817. The next prime is 386443859. The reversal of 386443834 is 438344683.

It is a happy number.

It is an unprimeable number.

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, 20397 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (41487768).

Almost surely, 2^386443834 is an apocalyptic number.

386443834 is a deficient number, since it is larger than the sum of its proper divisors (277360454).

386443834 is a wasteful number, since it uses less digits than its factorization.

386443834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55389.

The product of its digits is 663552, while the sum is 43.

The square root of 386443834 is about 19658.1747372435. The cubic root of 386443834 is about 728.3869016252.

The spelling of 386443834 in words is "three hundred eighty-six million, four hundred forty-three thousand, eight hundred thirty-four".