2340455 has 8 divisors (see below), whose sum is σ = 3024672. Its totient is φ = 1728288.

The previous prime is 2340451. The next prime is 2340461. The reversal of 2340455 is 5540432.

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 2340455 - 2² = 2340451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2340455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340451) 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 7 ways as a sum of consecutive naturals, for example, 17939 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (378084).

2^2340455 is an apocalyptic number.

2340455 is a deficient number, since it is larger than the sum of its proper divisors (684217).

2340455 is a wasteful number, since it uses less digits than its factorization.

2340455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36025.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2340455 is about 1529.8545682515. The cubic root of 2340455 is about 132.7700437766.

Subtracting from 2340455 its sum of digits (23), we obtain a palindrome (2340432).

Adding to 2340455 its reverse (5540432), we get a palindrome (7880887).

The spelling of 2340455 in words is "two million, three hundred forty thousand, four hundred fifty-five".