3027840 has 128 divisors (see below), whose sum is σ = 10281600. Its totient is φ = 755712.

The previous prime is 3027839. The next prime is 3027851. The reversal of 3027840 is 487203.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3027840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36439 + ... + 36521.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

Almost surely, 2^3027840 is an apocalyptic number.

3027840 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 3027840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5140800).

3027840 is an abundant number, since it is smaller than the sum of its proper divisors (7253760).

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

3027840 is a wasteful number, since it uses less digits than its factorization.

3027840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3027840 is about 1740.0689641506. The cubic root of 3027840 is about 144.6697199221.

The spelling of 3027840 in words is "three million, twenty-seven thousand, eight hundred forty".