3084240 has 80 divisors (see below), whose sum is σ = 9749376. Its totient is φ = 806400.

The previous prime is 3084227. The next prime is 3084247. The reversal of 3084240 is 424803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3084247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16950 + ... + 17130.

Almost surely, 2^3084240 is an apocalyptic number.

3084240 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 3084240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874688).

3084240 is an abundant number, since it is smaller than the sum of its proper divisors (6665136).

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

3084240 is a wasteful number, since it uses less digits than its factorization.

3084240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3084240 is about 1756.2004441407. The cubic root of 3084240 is about 145.5624606358.

The spelling of 3084240 in words is "three million, eighty-four thousand, two hundred forty".