3285440 has 28 divisors (see below), whose sum is σ = 7824216. Its totient is φ = 1314048.

The previous prime is 3285433. The next prime is 3285449. The reversal of 3285440 is 445823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4814 + ... + 5453.

Almost surely, 2^3285440 is an apocalyptic number.

It is an amenable number.

3285440 is an abundant number, since it is smaller than the sum of its proper divisors (4538776).

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

3285440 is a wasteful number, since it uses less digits than its factorization.

3285440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10284 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 3285440 is about 1812.5782741719. The cubic root of 3285440 is about 148.6612727928.

The spelling of 3285440 in words is "three million, two hundred eighty-five thousand, four hundred forty".