4084289 has 4 divisors (see below), whose sum is σ = 4455600. Its totient is φ = 3712980.

The previous prime is 4084279. The next prime is 4084303. The reversal of 4084289 is 9824804.

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 4084289 - 2¹⁶ = 4018753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4084229) 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, 185639 + ... + 185660.

It is an arithmetic number, because the mean of its divisors is an integer number (1113900).

Almost surely, 2^4084289 is an apocalyptic number.

It is an amenable number.

4084289 is a deficient number, since it is larger than the sum of its proper divisors (371311).

4084289 is a wasteful number, since it uses less digits than its factorization.

4084289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371310.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 4084289 is about 2020.9623945042. The cubic root of 4084289 is about 159.8473674628.

The spelling of 4084289 in words is "four million, eighty-four thousand, two hundred eighty-nine".