3274240 has 40 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 1308672.

The previous prime is 3274237. The next prime is 3274247. The reversal of 3274240 is 424723.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3274247) 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, 1921 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (196416).

Almost surely, 2^3274240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3274240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3928320).

3274240 is an abundant number, since it is smaller than the sum of its proper divisors (4582400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3274240 is an equidigital number, since it uses as much as digits as its factorization.

3274240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3274240 is about 1809.4861148956. The cubic root of 3274240 is about 148.4921526914.

Adding to 3274240 its reverse (424723), we get a palindrome (3698963).

The spelling of 3274240 in words is "three million, two hundred seventy-four thousand, two hundred forty".