2340345 has 32 divisors (see below), whose sum is σ = 4423680. Its totient is φ = 1033920.

The previous prime is 2340341. The next prime is 2340347. The reversal of 2340345 is 5430432.

It is a happy number.

It is not a de Polignac number, because 2340345 - 2² = 2340341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2896 + ... + 3614.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2^2340345 is an apocalyptic number.

It is an amenable number.

2340345 is a deficient number, since it is larger than the sum of its proper divisors (2083335).

2340345 is a wasteful number, since it uses less digits than its factorization.

2340345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765.

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

The square root of 2340345 is about 1529.8186166994. The cubic root of 2340345 is about 132.7679637062.

Adding to 2340345 its sum of digits (21), we get a triangular number (2340366 = T₂₁₆₃).

Adding to 2340345 its reverse (5430432), we get a palindrome (7770777).

The spelling of 2340345 in words is "two million, three hundred forty thousand, three hundred forty-five".