3270240 has 96 divisors (see below), whose sum is σ = 11460960. Its totient is φ = 870912.

The previous prime is 3270229. The next prime is 3270247. The reversal of 3270240 is 420723.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3270247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942 + ... + 4698.

It is an arithmetic number, because the mean of its divisors is an integer number (119385).

Almost surely, 2^3270240 is an apocalyptic number.

3270240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3270240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5730480).

3270240 is an abundant number, since it is smaller than the sum of its proper divisors (8190720).

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

3270240 is a wasteful number, since it uses less digits than its factorization.

3270240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3270240 is about 1808.3804909366. The cubic root of 3270240 is about 148.4316591977.

Adding to 3270240 its reverse (420723), we get a palindrome (3690963).

The spelling of 3270240 in words is "three million, two hundred seventy thousand, two hundred forty".