3440065 has 4 divisors (see below), whose sum is σ = 4128084. Its totient is φ = 2752048.

The previous prime is 3440053. The next prime is 3440077. The reversal of 3440065 is 5600443.

3440065 = 1311² + 1312².

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3440053) and next prime (3440077).

It can be written as a sum of positive squares in 2 ways, for example, as 1721344 + 1718721 = 1312^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440065 - 2⁷ = 3439937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344002 + ... + 344011.

It is an arithmetic number, because the mean of its divisors is an integer number (1032021).

Almost surely, 2^3440065 is an apocalyptic number.

3440065 is the 1312-nd centered square number.

It is an amenable number.

3440065 is a deficient number, since it is larger than the sum of its proper divisors (688019).

3440065 is an equidigital number, since it uses as much as digits as its factorization.

3440065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688018.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3440065 is about 1854.7412218420. The cubic root of 3440065 is about 150.9577970739.

The spelling of 3440065 in words is "three million, four hundred forty thousand, sixty-five".