3285240 has 64 divisors (see below), whose sum is σ = 11266560. Its totient is φ = 750720.

The previous prime is 3285239. The next prime is 3285259. The reversal of 3285240 is 425823.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 3⁵ + 2¹³ + 8⁷ + 5 + 2¹⁷ + 4¹⁰ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 3285240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (176040).

Almost surely, 2^3285240 is an apocalyptic number.

3285240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3285240 is an abundant number, since it is smaller than the sum of its proper divisors (7981320).

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

3285240 is a wasteful number, since it uses less digits than its factorization.

3285240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3285240 is about 1812.5231033010. The cubic root of 3285240 is about 148.6582561641.

The spelling of 3285240 in words is "three million, two hundred eighty-five thousand, two hundred forty".