2830280 has 32 divisors (see below), whose sum is σ = 6420600. Its totient is φ = 1122816.

The previous prime is 2830277. The next prime is 2830291. The reversal of 2830280 is 820382.

It can be written as a sum of positive squares in 4 ways, for example, as 2829124 + 1156 = 1682^2 + 34^2 .

It is an Ulam 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, 6716 + ... + 7124.

2^2830280 is an apocalyptic number.

2830280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830280 is an abundant number, since it is smaller than the sum of its proper divisors (3590320).

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

2830280 is a wasteful number, since it uses less digits than its factorization.

2830280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2830280 is about 1682.3436034295. The cubic root of 2830280 is about 141.4522307507.

It can be divided in two parts, 28302 and 80, that added together give a palindrome (28382).

The spelling of 2830280 in words is "two million, eight hundred thirty thousand, two hundred eighty".