3321381 has 8 divisors (see below), whose sum is σ = 5061184. Its totient is φ = 1897920.

The previous prime is 3321323. The next prime is 3321401. The reversal of 3321381 is 1831233.

It is a happy number.

3321381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3321381 - 2⁶ = 3321317 is a prime.

It is a super-2 number, since 2×3321381² = 22063143494322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 158161 = 3321381 / (3 + 3 + 2 + 1 + 3 + 8 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321301) 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 in 7 ways as a sum of consecutive naturals, for example, 79060 + ... + 79101.

It is an arithmetic number, because the mean of its divisors is an integer number (632648).

Almost surely, 2^3321381 is an apocalyptic number.

It is an amenable number.

3321381 is a deficient number, since it is larger than the sum of its proper divisors (1739803).

3321381 is a wasteful number, since it uses less digits than its factorization.

3321381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158171.

The product of its digits is 432, while the sum is 21.

The square root of 3321381 is about 1822.4656375361. The cubic root of 3321381 is about 149.2014002461.

The spelling of 3321381 in words is "three million, three hundred twenty-one thousand, three hundred eighty-one".