386660855 has 8 divisors (see below), whose sum is σ = 530277792. Its totient is φ = 265138848.

The previous prime is 386660851. The next prime is 386660863. The reversal of 386660855 is 558066683.

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 386660855 - 2² = 386660851 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 (386660851) 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, 5523692 + ... + 5523761.

It is an arithmetic number, because the mean of its divisors is an integer number (66284724).

Almost surely, 2^386660855 is an apocalyptic number.

386660855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

386660855 is a deficient number, since it is larger than the sum of its proper divisors (143616937).

386660855 is a wasteful number, since it uses less digits than its factorization.

386660855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047465.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 386660855 is about 19663.6938289834. The cubic root of 386660855 is about 728.5232264571.

The spelling of 386660855 in words is "three hundred eighty-six million, six hundred sixty thousand, eight hundred fifty-five".