2028210 has 16 divisors (see below), whose sum is σ = 4867776. Its totient is φ = 540848.

The previous prime is 2028203. The next prime is 2028217. The reversal of 2028210 is 128202.

It is an interprime number because it is at equal distance from previous prime (2028203) and next prime (2028217).

It is a super-2 number, since 2×2028210² = 8227271608200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2028210.

It is not an unprimeable number, because it can be changed into a prime (2028217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33774 + ... + 33833.

It is an arithmetic number, because the mean of its divisors is an integer number (304236).

2^2028210 is an apocalyptic number.

2028210 is an abundant number, since it is smaller than the sum of its proper divisors (2839566).

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

2028210 is a wasteful number, since it uses less digits than its factorization.

2028210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67617.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2028210 is about 1424.1523794875. The cubic root of 2028210 is about 126.5817143515.

The spelling of 2028210 in words is "two million, twenty-eight thousand, two hundred ten".