3440025 has 18 divisors (see below), whose sum is σ = 6161870. Its totient is φ = 1834560.

The previous prime is 3440011. The next prime is 3440029. The reversal of 3440025 is 5200443.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 328329 + 3111696 = 573^2 + 1764^2 .

It is not a de Polignac number, because 3440025 - 2¹⁰ = 3439001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3440029) 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 17 ways as a sum of consecutive naturals, for example, 7420 + ... + 7869.

Almost surely, 2^3440025 is an apocalyptic number.

It is an amenable number.

3440025 is a deficient number, since it is larger than the sum of its proper divisors (2721845).

3440025 is a wasteful number, since it uses less digits than its factorization.

3440025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305 (or 15297 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3440025 is about 1854.7304386352. The cubic root of 3440025 is about 150.9572119749.

Adding to 3440025 its reverse (5200443), we get a palindrome (8640468).

The spelling of 3440025 in words is "three million, four hundred forty thousand, twenty-five".