3200240 has 40 divisors (see below), whose sum is σ = 7529280. Its totient is φ = 1264896.

The previous prime is 3200213. The next prime is 3200251. The reversal of 3200240 is 420023.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8537 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (188232).

Almost surely, 2^3200240 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 3200240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764640).

3200240 is an abundant number, since it is smaller than the sum of its proper divisors (4329040).

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

3200240 is a wasteful number, since it uses less digits than its factorization.

3200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 3200240 is about 1788.9214627814. The cubic root of 3200240 is about 147.3649438850.

Adding to 3200240 its reverse (420023), we get a palindrome (3620263).

The spelling of 3200240 in words is "three million, two hundred thousand, two hundred forty".