3887305 has 32 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 2644992.

The previous prime is 3887297. The next prime is 3887311. The reversal of 3887305 is 5037883.

3887305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3887305 - 2³ = 3887297 is a prime.

It is a super-2 number, since 2×3887305² = 30222280326050, which contains 22 as substring.

3887305 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46794 + ... + 46876.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 2^3887305 is an apocalyptic number.

It is an amenable number.

3887305 is a deficient number, since it is larger than the sum of its proper divisors (1555895).

3887305 is a wasteful number, since it uses less digits than its factorization.

3887305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3887305 is about 1971.6249643378. The cubic root of 3887305 is about 157.2351136741.

The spelling of 3887305 in words is "three million, eight hundred eighty-seven thousand, three hundred five".