2345449 has 4 divisors (see below), whose sum is σ = 2351700. Its totient is φ = 2339200.

The previous prime is 2345443. The next prime is 2345459. The reversal of 2345449 is 9445432.

It is a happy number.

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 1755625 + 589824 = 1325^2 + 768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345449 is a prime.

It is a super-2 number, since 2×2345449² = 11002262023202, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 2345449.

It is not an unprimeable number, because it can be changed into a prime (2345443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (587925).

2^2345449 is an apocalyptic number.

It is an amenable number.

2345449 is a deficient number, since it is larger than the sum of its proper divisors (6251).

2345449 is an equidigital number, since it uses as much as digits as its factorization.

2345449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250.

The product of its digits is 17280, while the sum is 31.

The square root of 2345449 is about 1531.4858797913. The cubic root of 2345449 is about 132.8644104069.

The spelling of 2345449 in words is "two million, three hundred forty-five thousand, four hundred forty-nine".