2028330 has 48 divisors (see below), whose sum is σ = 5451264. Its totient is φ = 522720.

The previous prime is 2028329. The next prime is 2028359. The reversal of 2028330 is 338202.

It is a super-2 number, since 2×2028330² = 8228245177800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2427 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (113568).

2^2028330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725632).

2028330 is an abundant number, since it is smaller than the sum of its proper divisors (3422934).

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

2028330 is a wasteful number, since it uses less digits than its factorization.

2028330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2028330 is about 1424.1945091876. The cubic root of 2028330 is about 126.5842107245.

The spelling of 2028330 in words is "two million, twenty-eight thousand, three hundred thirty".