3889345 has 8 divisors (see below), whose sum is σ = 4941864. Its totient is φ = 2928384.

The previous prime is 3889337. The next prime is 3889349. The reversal of 3889345 is 5439883.

3889345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 339889 + 3549456 = 583^2 + 1884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3889345 - 2³ = 3889337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3889298 and 3889307.

It is not an unprimeable number, because it can be changed into a prime (3889349) 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, 22794 + ... + 22963.

It is an arithmetic number, because the mean of its divisors is an integer number (617733).

Almost surely, 2^3889345 is an apocalyptic number.

It is an amenable number.

3889345 is a deficient number, since it is larger than the sum of its proper divisors (1052519).

3889345 is a wasteful number, since it uses less digits than its factorization.

3889345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45779.

The product of its digits is 103680, while the sum is 40.

The square root of 3889345 is about 1972.1422362497. The cubic root of 3889345 is about 157.2626137492.

The spelling of 3889345 in words is "three million, eight hundred eighty-nine thousand, three hundred forty-five".