3886345 has 4 divisors (see below), whose sum is σ = 4663620. Its totient is φ = 3109072.

The previous prime is 3886343. The next prime is 3886357. The reversal of 3886345 is 5436883.

3886345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 1517824 = 1539^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3886345 - 2¹ = 3886343 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 8³ + 8³ + 6⁸ + 3¹¹ + 4⁷ + 5⁹ .

3886345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3886343) 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 3 ways as a sum of consecutive naturals, for example, 388630 + ... + 388639.

It is an arithmetic number, because the mean of its divisors is an integer number (1165905).

Almost surely, 2^3886345 is an apocalyptic number.

It is an amenable number.

3886345 is a deficient number, since it is larger than the sum of its proper divisors (777275).

3886345 is an equidigital number, since it uses as much as digits as its factorization.

3886345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777274.

The product of its digits is 69120, while the sum is 37.

The square root of 3886345 is about 1971.3814952971. The cubic root of 3886345 is about 157.2221691331. Note that the first 3 decimals are identical.

The spelling of 3886345 in words is "three million, eight hundred eighty-six thousand, three hundred forty-five".