3264240 has 160 divisors (see below), whose sum is σ = 12142080. Its totient is φ = 709632.

The previous prime is 3264227. The next prime is 3264241. The reversal of 3264240 is 424623.

3264240 = T₄₆ + T₄₇ + ... + T₂₆₉.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3264241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48687 + ... + 48753.

It is an arithmetic number, because the mean of its divisors is an integer number (75888).

Almost surely, 2^3264240 is an apocalyptic number.

3264240 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 3264240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6071040).

3264240 is an abundant number, since it is smaller than the sum of its proper divisors (8877840).

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

3264240 is a wasteful number, since it uses less digits than its factorization.

3264240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3264240 is about 1806.7207863973. The cubic root of 3264240 is about 148.3408263970.

Adding to 3264240 its reverse (424623), we get a palindrome (3688863).

The spelling of 3264240 in words is "three million, two hundred sixty-four thousand, two hundred forty".