4389061 has 4 divisors (see below), whose sum is σ = 4393324. Its totient is φ = 4384800.

The previous prime is 4389041. The next prime is 4389071. The reversal of 4389061 is 1609834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4225 + 4384836 = 65^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 4389061 - 2⁵ = 4389029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389031) 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, 481 + ... + 3001.

It is an arithmetic number, because the mean of its divisors is an integer number (1098331).

Almost surely, 2^4389061 is an apocalyptic number.

It is an amenable number.

4389061 is a deficient number, since it is larger than the sum of its proper divisors (4263).

4389061 is a wasteful number, since it uses less digits than its factorization.

4389061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4389061 is about 2095.0085918678. The cubic root of 4389061 is about 163.7283451348.

The spelling of 4389061 in words is "four million, three hundred eighty-nine thousand, sixty-one".