3018240 has 120 divisors (see below), whose sum is σ = 10532808. Its totient is φ = 798720.

The previous prime is 3018229. The next prime is 3018241. The reversal of 3018240 is 428103.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22975 + ... + 23105.

Almost surely, 2^3018240 is an apocalyptic number.

3018240 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 3018240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5266404).

3018240 is an abundant number, since it is smaller than the sum of its proper divisors (7514568).

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

3018240 is a wasteful number, since it uses less digits than its factorization.

3018240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3018240 is about 1737.3082628020. The cubic root of 3018240 is about 144.5166625501.

The spelling of 3018240 in words is "three million, eighteen thousand, two hundred forty".