4389081 has 4 divisors (see below), whose sum is σ = 5852112. Its totient is φ = 2926052.

The previous prime is 4389071. The next prime is 4389083. The reversal of 4389081 is 1809834.

4389081 is digitally balanced in base 4, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4389081 - 2⁶ = 4389017 is a prime.

It is a super-2 number, since 2×4389081² = 38528064049122, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4389083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731511 + ... + 731516.

It is an arithmetic number, because the mean of its divisors is an integer number (1463028).

Almost surely, 2^4389081 is an apocalyptic number.

It is an amenable number.

4389081 is a deficient number, since it is larger than the sum of its proper divisors (1463031).

4389081 is a wasteful number, since it uses less digits than its factorization.

4389081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463030.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 4389081 is about 2095.0133651125. The cubic root of 4389081 is about 163.7285938259.

The spelling of 4389081 in words is "four million, three hundred eighty-nine thousand, eighty-one".