3240045 has 24 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 1706496.

The previous prime is 3240043. The next prime is 3240073. The reversal of 3240045 is 5400423.

It is a happy number.

3240045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 2812329 = 654^2 + 1677^2 .

It is not a de Polignac number, because 3240045 - 2¹ = 3240043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3601 + ... + 4409.

It is an arithmetic number, because the mean of its divisors is an integer number (236925).

Almost surely, 2^3240045 is an apocalyptic number.

It is an amenable number.

3240045 is a deficient number, since it is larger than the sum of its proper divisors (2446155).

3240045 is a wasteful number, since it uses less digits than its factorization.

3240045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 906 counting only the distinct ones).

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

The square root of 3240045 is about 1800.0124999566. The cubic root of 3240045 is about 147.9734095156.

Adding to 3240045 its reverse (5400423), we get a palindrome (8640468).

The spelling of 3240045 in words is "three million, two hundred forty thousand, forty-five".