3281994 has 12 divisors (see below), whose sum is σ = 7111026. Its totient is φ = 1093992.

The previous prime is 3281987. The next prime is 3282029. The reversal of 3281994 is 4991823.

It can be written as a sum of positive squares in only one way, i.e., 1656369 + 1625625 = 1287^2 + 1275^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91149 + ... + 91184.

Almost surely, 2^3281994 is an apocalyptic number.

3281994 is an abundant number, since it is smaller than the sum of its proper divisors (3829032).

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

3281994 is a wasteful number, since it uses less digits than its factorization.

3281994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182341 (or 182338 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 3281994 is about 1811.6274451443. The cubic root of 3281994 is about 148.6092791524.

The spelling of 3281994 in words is "three million, two hundred eighty-one thousand, nine hundred ninety-four".