2028188 has 24 divisors (see below), whose sum is σ = 3704400. Its totient is φ = 970880.

The previous prime is 2028179. The next prime is 2028197. The reversal of 2028188 is 8818202.

It is an interprime number because it is at equal distance from previous prime (2028179) and next prime (2028197).

It is a super-2 number, since 2×2028188² = 8227093126688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028188.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13538 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (154350).

2^2028188 is an apocalyptic number.

It is an amenable number.

2028188 is a deficient number, since it is larger than the sum of its proper divisors (1676212).

2028188 is a wasteful number, since it uses less digits than its factorization.

2028188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2028188 is about 1424.1446555740. The cubic root of 2028188 is about 126.5812566724.

The spelling of 2028188 in words is "two million, twenty-eight thousand, one hundred eighty-eight".