2405289 has 8 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 1548176.

The previous prime is 2405269. The next prime is 2405297. The reversal of 2405289 is 9825042.

2405289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2405289 - 2⁹ = 2404777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2405209) 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 7 ways as a sum of consecutive naturals, for example, 13737 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (414720).

2^2405289 is an apocalyptic number.

2405289 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2405289 is a deficient number, since it is larger than the sum of its proper divisors (912471).

2405289 is a wasteful number, since it uses less digits than its factorization.

2405289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27679.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2405289 is about 1550.8994164677. The cubic root of 2405289 is about 133.9848687154.

The spelling of 2405289 in words is "two million, four hundred five thousand, two hundred eighty-nine".