3280384 has 40 divisors (see below), whose sum is σ = 6751800. Its totient is φ = 1591296.

The previous prime is 3280373. The next prime is 3280391. The reversal of 3280384 is 4830823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21942 + ... + 22090.

It is an arithmetic number, because the mean of its divisors is an integer number (168795).

Almost surely, 2^3280384 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 3280384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3375900).

3280384 is an abundant number, since it is smaller than the sum of its proper divisors (3471416).

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

3280384 is an equidigital number, since it uses as much as digits as its factorization.

3280384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3280384 is about 1811.1830387898. The cubic root of 3280384 is about 148.5849748145.

The spelling of 3280384 in words is "three million, two hundred eighty thousand, three hundred eighty-four".