3806555385 has 8 divisors (see below), whose sum is σ = 6090488640. Its totient is φ = 2030162864.

The previous prime is 3806555371. The next prime is 3806555387. The reversal of 3806555385 is 5835556083.

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 3806555385 - 2¹⁰ = 3806554361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3806555387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126885165 + ... + 126885194.

It is an arithmetic number, because the mean of its divisors is an integer number (761311080).

Almost surely, 2^3806555385 is an apocalyptic number.

It is an amenable number.

3806555385 is a deficient number, since it is larger than the sum of its proper divisors (2283933255).

3806555385 is a wasteful number, since it uses less digits than its factorization.

3806555385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253770367.

The product of its (nonzero) digits is 2160000, while the sum is 48.

The square root of 3806555385 is about 61697.2883115620. The cubic root of 3806555385 is about 1561.3875700864.

The spelling of 3806555385 in words is "three billion, eight hundred six million, five hundred fifty-five thousand, three hundred eighty-five".