4089361 has 4 divisors (see below), whose sum is σ = 4094272. Its totient is φ = 4084452.

The previous prime is 4089347. The next prime is 4089413. The reversal of 4089361 is 1639804.

4089361 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4089361 - 2⁹ = 4088849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089311) 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, 861 + ... + 2986.

It is an arithmetic number, because the mean of its divisors is an integer number (1023568).

Almost surely, 2^4089361 is an apocalyptic number.

It is an amenable number.

4089361 is a deficient number, since it is larger than the sum of its proper divisors (4911).

4089361 is a wasteful number, since it uses less digits than its factorization.

4089361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910.

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

The square root of 4089361 is about 2022.2168528622. The cubic root of 4089361 is about 159.9135079404.

It can be divided in two parts, 40 and 89361, that added together give a square (89401 = 299²).

The spelling of 4089361 in words is "four million, eighty-nine thousand, three hundred sixty-one".