3281912 has 8 divisors (see below), whose sum is σ = 6153600. Its totient is φ = 1640952.

The previous prime is 3281911. The next prime is 3281933. The reversal of 3281912 is 2191823.

3281912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205112 + ... + 205127.

It is an arithmetic number, because the mean of its divisors is an integer number (769200).

Almost surely, 2^3281912 is an apocalyptic number.

It is an amenable number.

3281912 is a deficient number, since it is larger than the sum of its proper divisors (2871688).

3281912 is a wasteful number, since it uses less digits than its factorization.

3281912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410245 (or 410241 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 3281912 is about 1811.6048134182. The cubic root of 3281912 is about 148.6080414838.

It can be divided in two parts, 32819 and 12, that multiplied together give a triangular number (393828 = T₈₈₇).

The spelling of 3281912 in words is "three million, two hundred eighty-one thousand, nine hundred twelve".