3321320 has 32 divisors (see below), whose sum is σ = 7650720. Its totient is φ = 1296960.

The previous prime is 3321319. The next prime is 3321323. The reversal of 3321320 is 231233.

It is a super-2 number, since 2×3321320² = 22062333084800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321295 and 3321304.

It is not an unprimeable number, because it can be changed into a prime (3321323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (239085).

Almost surely, 2^3321320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3825360).

3321320 is an abundant number, since it is smaller than the sum of its proper divisors (4329400).

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

3321320 is a wasteful number, since it uses less digits than its factorization.

3321320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3321320 is about 1822.4489018900. The cubic root of 3321320 is about 149.2004868368.

Adding to 3321320 its reverse (231233), we get a palindrome (3552553).

It can be divided in two parts, 33213 and 20, that added together give a palindrome (33233).

The spelling of 3321320 in words is "three million, three hundred twenty-one thousand, three hundred twenty".