3055840 has 48 divisors (see below), whose sum is σ = 7348320. Its totient is φ = 1200640.

The previous prime is 3055831. The next prime is 3055847. The reversal of 3055840 is 485503.

It is a happy number.

3055840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11226 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

Almost surely, 2^3055840 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 3055840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674160).

3055840 is an abundant number, since it is smaller than the sum of its proper divisors (4292480).

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

3055840 is a wasteful number, since it uses less digits than its factorization.

3055840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3055840 is about 1748.0961071978. The cubic root of 3055840 is about 145.1142975141.

The spelling of 3055840 in words is "three million, fifty-five thousand, eight hundred forty".