3320240 has 120 divisors (see below), whose sum is σ = 9895200. Its totient is φ = 1034880.

The previous prime is 3320237. The next prime is 3320263. The reversal of 3320240 is 420233.

It is a super-2 number, since 2×3320240² = 22047987315200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 301835 + ... + 301845.

It is an arithmetic number, because the mean of its divisors is an integer number (82460).

Almost surely, 2^3320240 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 3320240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4947600).

3320240 is an abundant number, since it is smaller than the sum of its proper divisors (6574960).

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

3320240 is a wasteful number, since it uses less digits than its factorization.

3320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 3320240 is about 1822.1525731947. The cubic root of 3320240 is about 149.1843131473.

Adding to 3320240 its reverse (420233), we get a palindrome (3740473).

The spelling of 3320240 in words is "three million, three hundred twenty thousand, two hundred forty".