3440325 has 24 divisors (see below), whose sum is σ = 6501568. Its totient is φ = 1572480.

The previous prime is 3440323. The next prime is 3440347. The reversal of 3440325 is 5230443.

It is a happy number.

It is not a de Polignac number, because 3440325 - 2¹ = 3440323 is a prime.

It is a super-2 number, since 2×3440325² = 23671672211250, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440323) 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 23 ways as a sum of consecutive naturals, for example, 2752 + ... + 3801.

Almost surely, 2^3440325 is an apocalyptic number.

3440325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3440325 is a deficient number, since it is larger than the sum of its proper divisors (3061243).

3440325 is a wasteful number, since it uses less digits than its factorization.

3440325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6568 counting only the distinct ones).

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

The square root of 3440325 is about 1854.8113111581. The cubic root of 3440325 is about 150.9616001065.

Adding to 3440325 its reverse (5230443), we get a palindrome (8670768).

The spelling of 3440325 in words is "three million, four hundred forty thousand, three hundred twenty-five".