4092289 has 4 divisors (see below), whose sum is σ = 4169556. Its totient is φ = 4015024.

The previous prime is 4092287. The next prime is 4092317. The reversal of 4092289 is 9822904.

4092289 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3591025 + 501264 = 1895^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 4092289 - 2¹ = 4092287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4092287) 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, 38554 + ... + 38659.

It is an arithmetic number, because the mean of its divisors is an integer number (1042389).

Almost surely, 2^4092289 is an apocalyptic number.

It is an amenable number.

4092289 is a deficient number, since it is larger than the sum of its proper divisors (77267).

4092289 is an equidigital number, since it uses as much as digits as its factorization.

4092289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77266.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4092289 is about 2022.9406812855. The cubic root of 4092289 is about 159.9516650873.

It can be divided in two parts, 40 and 92289, that added together give a palindrome (92329).

The spelling of 4092289 in words is "four million, ninety-two thousand, two hundred eighty-nine".