3856315429 has 8 divisors (see below), whose sum is σ = 3874394880. Its totient is φ = 3838252656.

The previous prime is 3856315423. The next prime is 3856315511. The reversal of 3856315429 is 9245136583.

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 3856315429 - 2¹³ = 3856307237 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 (3856315423) 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 7 ways as a sum of consecutive naturals, for example, 842104 + ... + 846670.

It is an arithmetic number, because the mean of its divisors is an integer number (484299360).

Almost surely, 2^3856315429 is an apocalyptic number.

It is an amenable number.

3856315429 is a deficient number, since it is larger than the sum of its proper divisors (18079451).

3856315429 is a wasteful number, since it uses less digits than its factorization.

3856315429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339.

The product of its digits is 777600, while the sum is 46.

The square root of 3856315429 is about 62099.2385541079. The cubic root of 3856315429 is about 1568.1617264997.

The spelling of 3856315429 in words is "three billion, eight hundred fifty-six million, three hundred fifteen thousand, four hundred twenty-nine".