386329947 has 16 divisors (see below), whose sum is σ = 546406560. Its totient is φ = 241958912.

The previous prime is 386329939. The next prime is 386329963. The reversal of 386329947 is 749923683.

It is a cyclic number.

It is not a de Polignac number, because 386329947 - 2³ = 386329939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 386329947.

It is not an unprimeable number, because it can be changed into a prime (386329997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22363 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (34150410).

Almost surely, 2^386329947 is an apocalyptic number.

386329947 is a deficient number, since it is larger than the sum of its proper divisors (160076613).

386329947 is a wasteful number, since it uses less digits than its factorization.

386329947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902.

The product of its digits is 1959552, while the sum is 51.

The square root of 386329947 is about 19655.2778408243. The cubic root of 386329947 is about 728.3153414639.

The spelling of 386329947 in words is "three hundred eighty-six million, three hundred twenty-nine thousand, nine hundred forty-seven".