2830340 has 24 divisors (see below), whose sum is σ = 6072192. Its totient is φ = 1107680.

The previous prime is 2830301. The next prime is 2830349. The reversal of 2830340 is 430382.

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

It is not an unprimeable number, because it can be changed into a prime (2830349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566 + ... + 2445.

It is an arithmetic number, because the mean of its divisors is an integer number (253008).

2^2830340 is an apocalyptic number.

2830340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2830340 is an abundant number, since it is smaller than the sum of its proper divisors (3241852).

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

2830340 is a wasteful number, since it uses less digits than its factorization.

2830340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2830340 is about 1682.3614356018. The cubic root of 2830340 is about 141.4532303071.

The spelling of 2830340 in words is "two million, eight hundred thirty thousand, three hundred forty".