4080289 has 4 divisors (see below), whose sum is σ = 4320324. Its totient is φ = 3840256.

The previous prime is 4080287. The next prime is 4080301. The reversal of 4080289 is 9820804.

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 2560000 + 1520289 = 1600^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 4080289 - 2¹ = 4080287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4080289.

It is not an unprimeable number, because it can be changed into a prime (4080281) 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, 119992 + ... + 120025.

It is an arithmetic number, because the mean of its divisors is an integer number (1080081).

Almost surely, 2^4080289 is an apocalyptic number.

It is an amenable number.

4080289 is a deficient number, since it is larger than the sum of its proper divisors (240035).

4080289 is a wasteful number, since it uses less digits than its factorization.

4080289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240034.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 4080289 is about 2019.9725245656. The cubic root of 4080289 is about 159.7951675724.

The spelling of 4080289 in words is "four million, eighty thousand, two hundred eighty-nine".