3986055 has 24 divisors (see below), whose sum is σ = 6955728. Its totient is φ = 2111616.

The previous prime is 3986051. The next prime is 3986063. The reversal of 3986055 is 5506893.

It is not a de Polignac number, because 3986055 - 2² = 3986051 is a prime.

3986055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12579 + ... + 12891.

It is an arithmetic number, because the mean of its divisors is an integer number (289822).

Almost surely, 2^3986055 is an apocalyptic number.

3986055 is a deficient number, since it is larger than the sum of its proper divisors (2969673).

3986055 is a wasteful number, since it uses less digits than its factorization.

3986055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 3986055 is about 1996.5107062072. The cubic root of 3986055 is about 158.5554211815. Note that the first 3 decimals are identical.

The spelling of 3986055 in words is "three million, nine hundred eighty-six thousand, fifty-five".