3290220 has 72 divisors (see below), whose sum is σ = 10365264. Its totient is φ = 876096.

The previous prime is 3290213. The next prime is 3290237. The reversal of 3290220 is 220923.

3290220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3290193 and 3290202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4522 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (143962).

Almost surely, 2^3290220 is an apocalyptic number.

3290220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3290220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5182632).

3290220 is an abundant number, since it is smaller than the sum of its proper divisors (7075044).

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

3290220 is a wasteful number, since it uses less digits than its factorization.

3290220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3290220 is about 1813.8963586710. The cubic root of 3290220 is about 148.7333338200.

The spelling of 3290220 in words is "three million, two hundred ninety thousand, two hundred twenty".