3321618 has 16 divisors (see below), whose sum is σ = 6993120. Its totient is φ = 1048896.

The previous prime is 3321611. The next prime is 3321623. The reversal of 3321618 is 8161233.

3321618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3321618² = 22066292275848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3321611) 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, 14455 + ... + 14682.

It is an arithmetic number, because the mean of its divisors is an integer number (437070).

Almost surely, 2^3321618 is an apocalyptic number.

3321618 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3321618 is an abundant number, since it is smaller than the sum of its proper divisors (3671502).

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

3321618 is a wasteful number, since it uses less digits than its factorization.

3321618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29161.

The product of its digits is 864, while the sum is 24.

The square root of 3321618 is about 1822.5306581783. The cubic root of 3321618 is about 149.2049489598.

The spelling of 3321618 in words is "three million, three hundred twenty-one thousand, six hundred eighteen".