2831028 has 12 divisors (see below), whose sum is σ = 6605760. Its totient is φ = 943672.

The previous prime is 2831011. The next prime is 2831039. The reversal of 2831028 is 8201382.

2831028 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 (12).

It is a junction number, because it is equal to n+sod(n) for n = 2830989 and 2831007.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 117948 + ... + 117971.

It is an arithmetic number, because the mean of its divisors is an integer number (550480).

2^2831028 is an apocalyptic number.

It is an amenable number.

2831028 is an abundant number, since it is smaller than the sum of its proper divisors (3774732).

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

2831028 is a wasteful number, since it uses less digits than its factorization.

2831028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235926 (or 235924 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2831028 is about 1682.5658976694. The cubic root of 2831028 is about 141.4646908782.

The spelling of 2831028 in words is "two million, eight hundred thirty-one thousand, twenty-eight".