2304345 has 8 divisors (see below), whose sum is σ = 3686976. Its totient is φ = 1228976.

The previous prime is 2304343. The next prime is 2304349. The reversal of 2304345 is 5434032.

It is a happy number.

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 2304345 - 2¹ = 2304343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2304343) 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, 76797 + ... + 76826.

It is an arithmetic number, because the mean of its divisors is an integer number (460872).

2^2304345 is an apocalyptic number.

It is an amenable number.

2304345 is a deficient number, since it is larger than the sum of its proper divisors (1382631).

2304345 is a wasteful number, since it uses less digits than its factorization.

2304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153631.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2304345 is about 1518.0069169803. The cubic root of 2304345 is about 132.0836820162.

Subtracting from 2304345 its sum of digits (21), we obtain a square (2304324 = 1518²).

Adding to 2304345 its reverse (5434032), we get a palindrome (7738377).

The spelling of 2304345 in words is "two million, three hundred four thousand, three hundred forty-five".