2028830 has 16 divisors (see below), whose sum is σ = 3811104. Its totient is φ = 776160.

The previous prime is 2028809. The next prime is 2028841. The reversal of 2028830 is 388202.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2028796 and 2028805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 4640.

It is an arithmetic number, because the mean of its divisors is an integer number (238194).

2^2028830 is an apocalyptic number.

2028830 is a deficient number, since it is larger than the sum of its proper divisors (1782274).

2028830 is a wasteful number, since it uses less digits than its factorization.

2028830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8851.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2028830 is about 1424.3700361914. The cubic root of 2028830 is about 126.5946112191.

The spelling of 2028830 in words is "two million, twenty-eight thousand, eight hundred thirty".