2304289 has 8 divisors (see below), whose sum is σ = 2499560. Its totient is φ = 2111616.

The previous prime is 2304287. The next prime is 2304307. The reversal of 2304289 is 9824032.

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 2250000 = 233^2 + 1500^2 .

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

It is not a de Polignac number, because 2304289 - 2¹ = 2304287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2304283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (312445).

2^2304289 is an apocalyptic number.

It is an amenable number.

2304289 is a deficient number, since it is larger than the sum of its proper divisors (195271).

2304289 is a wasteful number, since it uses less digits than its factorization.

2304289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2304289 is about 1517.9884716295. The cubic root of 2304289 is about 132.0826120454.

It can be divided in two parts, 2304 and 289, that multiplied together give a square (665856 = 816²).

The spelling of 2304289 in words is "two million, three hundred four thousand, two hundred eighty-nine".