2830680 has 64 divisors (see below), whose sum is σ = 9439200. Its totient is φ = 754560.

The previous prime is 2830657. The next prime is 2830741. The reversal of 2830680 is 860382.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231 + ... + 2390.

2^2830680 is an apocalyptic number.

2830680 is a gapful number since it is divisible by the number (20) 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 2830680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4719600).

2830680 is an abundant number, since it is smaller than the sum of its proper divisors (6608520).

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

2830680 is a wasteful number, since it uses less digits than its factorization.

2830680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2830680 is about 1682.4624810081. The cubic root of 2830680 is about 141.4588941935.

The spelling of 2830680 in words is "two million, eight hundred thirty thousand, six hundred eighty".