3281402 has 4 divisors (see below), whose sum is σ = 4922106. Its totient is φ = 1640700.

The previous prime is 3281401. The next prime is 3281417. The reversal of 3281402 is 2041823.

3281402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2041823 = 7 ⋅291689.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 1681 = 1811^2 + 41^2 .

It is not an unprimeable number, because it can be changed into a prime (3281401) 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, 820349 + ... + 820352.

Almost surely, 2^3281402 is an apocalyptic number.

3281402 is a deficient number, since it is larger than the sum of its proper divisors (1640704).

3281402 is a wasteful number, since it uses less digits than its factorization.

3281402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640703.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3281402 is about 1811.4640487738. The cubic root of 3281402 is about 148.6003433262.

The spelling of 3281402 in words is "three million, two hundred eighty-one thousand, four hundred two".