3057280 has 64 divisors (see below), whose sum is σ = 7766280. Its totient is φ = 1146880.

The previous prime is 3057253. The next prime is 3057281. The reversal of 3057280 is 827503.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 153664 = 1704^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (3057281) 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, 10740 + ... + 11020.

Almost surely, 2^3057280 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 3057280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3883140).

3057280 is an abundant number, since it is smaller than the sum of its proper divisors (4709000).

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

3057280 is a wasteful number, since it uses less digits than its factorization.

3057280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 3057280 is about 1748.5079353552. The cubic root of 3057280 is about 145.1370879496.

The spelling of 3057280 in words is "three million, fifty-seven thousand, two hundred eighty".