386427829 has 8 divisors (see below), whose sum is σ = 396287640. Its totient is φ = 376588800.

The previous prime is 386427827. The next prime is 386427869. The reversal of 386427829 is 928724683.

It can be written as a sum of positive squares in 4 ways, for example, as 3247204 + 383180625 = 1802^2 + 19575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 386427829 - 2¹ = 386427827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386427827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36699 + ... + 46039.

It is an arithmetic number, because the mean of its divisors is an integer number (49535955).

Almost surely, 2^386427829 is an apocalyptic number.

It is an amenable number.

386427829 is a deficient number, since it is larger than the sum of its proper divisors (9859811).

386427829 is a wasteful number, since it uses less digits than its factorization.

386427829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391.

The product of its digits is 1161216, while the sum is 49.

The square root of 386427829 is about 19657.7676504734. The cubic root of 386427829 is about 728.3768458360.

The spelling of 386427829 in words is "three hundred eighty-six million, four hundred twenty-seven thousand, eight hundred twenty-nine".