3321506 has 8 divisors (see below), whose sum is σ = 4990464. Its totient is φ = 1658020.

The previous prime is 3321503. The next prime is 3321517. The reversal of 3321506 is 6051233.

3321506 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 a super-2 number, since 2×3321506² = 22064804216072, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321503) 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 3 ways as a sum of consecutive naturals, for example, 911 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (623808).

Almost surely, 2^3321506 is an apocalyptic number.

It is a pronic number, being equal to 1822×1823.

3321506 is a deficient number, since it is larger than the sum of its proper divisors (1668958).

3321506 is a wasteful number, since it uses less digits than its factorization.

3321506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3321506 is about 1822.4999314129. The cubic root of 3321506 is about 149.2032719516.

Adding to 3321506 its reverse (6051233), we get a palindrome (9372739).

The spelling of 3321506 in words is "three million, three hundred twenty-one thousand, five hundred six".