3845889 has 12 divisors (see below), whose sum is σ = 5576272. Its totient is φ = 2554200.

The previous prime is 3845887. The next prime is 3845903. The reversal of 3845889 is 9885483.

3845889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3845889 - 2¹ = 3845887 is a prime.

It is a Duffinian number.

It is a Curzon number.

3845889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3845887) 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 11 ways as a sum of consecutive naturals, for example, 2334 + ... + 3624.

Almost surely, 2^3845889 is an apocalyptic number.

It is an amenable number.

3845889 is a deficient number, since it is larger than the sum of its proper divisors (1730383).

3845889 is a wasteful number, since it uses less digits than its factorization.

3845889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1625 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 3845889 is about 1961.0938274341. The cubic root of 3845889 is about 156.6747156470.

The spelling of 3845889 in words is "three million, eight hundred forty-five thousand, eight hundred eighty-nine".