3057840 has 120 divisors (see below), whose sum is σ = 10677888. Its totient is φ = 783360.

The previous prime is 3057839. The next prime is 3057851. The reversal of 3057840 is 487503.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22252 + ... + 22388.

Almost surely, 2^3057840 is an apocalyptic number.

3057840 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 3057840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5338944).

3057840 is an abundant number, since it is smaller than the sum of its proper divisors (7620048).

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

3057840 is a wasteful number, since it uses less digits than its factorization.

3057840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3057840 is about 1748.6680645566. The cubic root of 3057840 is about 145.1459489641.

The spelling of 3057840 in words is "three million, fifty-seven thousand, eight hundred forty".