3030240 has 96 divisors (see below), whose sum is σ = 9797760. Its totient is φ = 786944.

The previous prime is 3030229. The next prime is 3030241. The reversal of 3030240 is 420303.

3030240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28267 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

Almost surely, 2^3030240 is an apocalyptic number.

3030240 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 3030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4898880).

3030240 is an abundant number, since it is smaller than the sum of its proper divisors (6767520).

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

3030240 is a wasteful number, since it uses less digits than its factorization.

3030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3030240 is about 1740.7584553866. The cubic root of 3030240 is about 144.7079337016.

Adding to 3030240 its reverse (420303), we get a palindrome (3450543).

The spelling of 3030240 in words is "three million, thirty thousand, two hundred forty".