3281380 has 24 divisors (see below), whose sum is σ = 6935040. Its totient is φ = 1304160.

The previous prime is 3281363. The next prime is 3281393. The reversal of 3281380 is 831823.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (288960).

Almost surely, 2^3281380 is an apocalyptic number.

It is an amenable number.

3281380 is an abundant number, since it is smaller than the sum of its proper divisors (3653660).

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

3281380 is a wasteful number, since it uses less digits than its factorization.

3281380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3281380 is about 1811.4579763274. The cubic root of 3281380 is about 148.6000112309.

The spelling of 3281380 in words is "three million, two hundred eighty-one thousand, three hundred eighty".