386855861 has 8 divisors (see below), whose sum is σ = 449615040. Its totient is φ = 325970208.

The previous prime is 386855849. The next prime is 386855863. The reversal of 386855861 is 168558683.

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 386855861 - 2¹⁰ = 386854837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386855863) 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, 467936 + ... + 468761.

It is an arithmetic number, because the mean of its divisors is an integer number (56201880).

Almost surely, 2^386855861 is an apocalyptic number.

It is an amenable number.

386855861 is a deficient number, since it is larger than the sum of its proper divisors (62759179).

386855861 is an equidigital number, since it uses as much as digits as its factorization.

386855861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936763.

The product of its digits is 1382400, while the sum is 50.

The square root of 386855861 is about 19668.6517331514. The cubic root of 386855861 is about 728.6456787494.

The spelling of 386855861 in words is "three hundred eighty-six million, eight hundred fifty-five thousand, eight hundred sixty-one".