2345789 has 4 divisors (see below), whose sum is σ = 2367420. Its totient is φ = 2324160.

The previous prime is 2345753. The next prime is 2345803. The reversal of 2345789 is 9875432.

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 1428025 + 917764 = 1195^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345789 - 2⁸ = 2345533 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10652 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (591855).

2^2345789 is an apocalyptic number.

It is an amenable number.

2345789 is a deficient number, since it is larger than the sum of its proper divisors (21631).

2345789 is a wasteful number, since it uses less digits than its factorization.

2345789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21630.

The product of its digits is 60480, while the sum is 38.

The square root of 2345789 is about 1531.5968790775. The cubic root of 2345789 is about 132.8708301751.

The spelling of 2345789 in words is "two million, three hundred forty-five thousand, seven hundred eighty-nine".