3887385 has 8 divisors (see below), whose sum is σ = 6219840. Its totient is φ = 2073264.

The previous prime is 3887383. The next prime is 3887393. The reversal of 3887385 is 5837883.

3887385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3887385 - 2¹ = 3887383 is a prime.

It is a super-2 number, since 2×3887385² = 30223524276450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3887383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129565 + ... + 129594.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^3887385 is an apocalyptic number.

It is an amenable number.

3887385 is a deficient number, since it is larger than the sum of its proper divisors (2332455).

3887385 is a wasteful number, since it uses less digits than its factorization.

3887385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259167.

The product of its digits is 161280, while the sum is 42.

The square root of 3887385 is about 1971.6452520674. The cubic root of 3887385 is about 157.2361922896.

The spelling of 3887385 in words is "three million, eight hundred eighty-seven thousand, three hundred eighty-five".