3275220 has 144 divisors (see below), whose sum is σ = 11067840. Its totient is φ = 718848.

The previous prime is 3275219. The next prime is 3275221. The reversal of 3275220 is 225723.

It is an interprime number because it is at equal distance from previous prime (3275219) and next prime (3275221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3275221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172371 + ... + 172389.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

Almost surely, 2^3275220 is an apocalyptic number.

3275220 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 3275220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5533920).

3275220 is an abundant number, since it is smaller than the sum of its proper divisors (7792620).

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

3275220 is a wasteful number, since it uses less digits than its factorization.

3275220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 3275220 is about 1809.7568897507. The cubic root of 3275220 is about 148.5069660825.

The spelling of 3275220 in words is "three million, two hundred seventy-five thousand, two hundred twenty".