2830638 has 16 divisors (see below), whose sum is σ = 5677776. Its totient is φ = 940800.

The previous prime is 2830637. The next prime is 2830651. The reversal of 2830638 is 8360382.

2830638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2830638² = 16025022974088, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830631) 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 7 ways as a sum of consecutive naturals, for example, 3688 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (354861).

2^2830638 is an apocalyptic number.

2830638 is an abundant number, since it is smaller than the sum of its proper divisors (2847138).

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

2830638 is a wasteful number, since it uses less digits than its factorization.

2830638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

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

The square root of 2830638 is about 1682.4499992570. The cubic root of 2830638 is about 141.4581945615.

The spelling of 2830638 in words is "two million, eight hundred thirty thousand, six hundred thirty-eight".