3025280 has 64 divisors (see below), whose sum is σ = 7527600. Its totient is φ = 1161216.

The previous prime is 3025277. The next prime is 3025291. The reversal of 3025280 is 825203.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18479 + ... + 18641.

Almost surely, 2^3025280 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 3025280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3763800).

3025280 is an abundant number, since it is smaller than the sum of its proper divisors (4502320).

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

3025280 is a wasteful number, since it uses less digits than its factorization.

3025280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3025280 is about 1739.3332055705. Note that the first 3 decimals coincide. The cubic root of 3025280 is about 144.6289362932.

The spelling of 3025280 in words is "three million, twenty-five thousand, two hundred eighty".