2830863 has 16 divisors (see below), whose sum is σ = 4502016. Its totient is φ = 1547040.

The previous prime is 2830859. The next prime is 2830871. The reversal of 2830863 is 3680382.

2830863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2830863 - 2² = 2830859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2830863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2448 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (281376).

2^2830863 is an apocalyptic number.

2830863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2830863 is a deficient number, since it is larger than the sum of its proper divisors (1671153).

2830863 is a wasteful number, since it uses less digits than its factorization.

2830863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2830863 is about 1682.5168647000. The cubic root of 2830863 is about 141.4619425093.

The spelling of 2830863 in words is "two million, eight hundred thirty thousand, eight hundred sixty-three".