3860055 has 32 divisors (see below), whose sum is σ = 6966720. Its totient is φ = 2052864.

The previous prime is 3860041. The next prime is 3860083. The reversal of 3860055 is 5500683.

3860055 is a `hidden beast` number, since 3 + 8 + 600 + 55 = 666.

It is not a de Polignac number, because 3860055 - 2⁴ = 3860039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

3860055 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10759 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (217710).

Almost surely, 2^3860055 is an apocalyptic number.

3860055 is a deficient number, since it is larger than the sum of its proper divisors (3106665).

3860055 is an frugal number, since it uses more digits than its factorization.

3860055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 3860055 is about 1964.7022675205. The cubic root of 3860055 is about 156.8668458696.

The spelling of 3860055 in words is "three million, eight hundred sixty thousand, fifty-five".