3281144 has 8 divisors (see below), whose sum is σ = 6152160. Its totient is φ = 1640568.

The previous prime is 3281141. The next prime is 3281149. The reversal of 3281144 is 4411823.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205064 + ... + 205079.

It is an arithmetic number, because the mean of its divisors is an integer number (769020).

Almost surely, 2^3281144 is an apocalyptic number.

It is an amenable number.

3281144 is a deficient number, since it is larger than the sum of its proper divisors (2871016).

3281144 is a wasteful number, since it uses less digits than its factorization.

3281144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410149 (or 410145 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 3281144 is about 1811.3928342577. The cubic root of 3281144 is about 148.5964486603.

Adding to 3281144 its reverse (4411823), we get a palindrome (7692967).

The spelling of 3281144 in words is "three million, two hundred eighty-one thousand, one hundred forty-four".