3281284 has 6 divisors (see below), whose sum is σ = 5742254. Its totient is φ = 1640640.

The previous prime is 3281273. The next prime is 3281293. The reversal of 3281284 is 4821823.

It can be written as a sum of positive squares in only one way, i.e., 3276100 + 5184 = 1810^2 + 72^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 410157 + ... + 410164.

Almost surely, 2^3281284 is an apocalyptic number.

It is an amenable number.

3281284 is a deficient number, since it is larger than the sum of its proper divisors (2460970).

3281284 is a wasteful number, since it uses less digits than its factorization.

3281284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820325 (or 820323 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 3281284 is about 1811.4314781410. The cubic root of 3281284 is about 148.5985620702.

It can be divided in two parts, 32812 and 84, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 3281284 in words is "three million, two hundred eighty-one thousand, two hundred eighty-four".