3320928 has 72 divisors (see below), whose sum is σ = 10181808. Its totient is φ = 1020672.

The previous prime is 3320909. The next prime is 3320939. The reversal of 3320928 is 8290233.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3320928² = 22057125562368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3301 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (141414).

Almost surely, 2^3320928 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 3320928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5090904).

3320928 is an abundant number, since it is smaller than the sum of its proper divisors (6860880).

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

3320928 is a wasteful number, since it uses less digits than its factorization.

3320928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3320928 is about 1822.3413511195. The cubic root of 3320928 is about 149.1946167919.

The spelling of 3320928 in words is "three million, three hundred twenty thousand, nine hundred twenty-eight".