3240220 has 12 divisors (see below), whose sum is σ = 6804504. Its totient is φ = 1296080.

The previous prime is 3240197. The next prime is 3240247. The reversal of 3240220 is 220423.

It is a self number, because there is not a number n which added to its sum of digits gives 3240220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80986 + ... + 81025.

It is an arithmetic number, because the mean of its divisors is an integer number (567042).

Almost surely, 2^3240220 is an apocalyptic number.

It is an amenable number.

3240220 is an abundant number, since it is smaller than the sum of its proper divisors (3564284).

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

3240220 is a wasteful number, since it uses less digits than its factorization.

3240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162020 (or 162018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3240220 is about 1800.0611100738. The cubic root of 3240220 is about 147.9760735609.

Adding to 3240220 its reverse (220423), we get a palindrome (3460643).

The spelling of 3240220 in words is "three million, two hundred forty thousand, two hundred twenty".