2830000 has 50 divisors (see below), whose sum is σ = 6875924. Its totient is φ = 1128000.

The previous prime is 2829977. The next prime is 2830027. The reversal of 2830000 is 382.

2830000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9859 + ... + 10141.

2^2830000 is an apocalyptic number.

2830000 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 2830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437962).

2830000 is an abundant number, since it is smaller than the sum of its proper divisors (4045924).

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

2830000 is an equidigital number, since it uses as much as digits as its factorization.

2830000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2830000 is about 1682.2603841261. The cubic root of 2830000 is about 141.4475659671.

Adding to 2830000 its reverse (382), we get a palindrome (2830382).

The spelling of 2830000 in words is "two million, eight hundred thirty thousand".