2128198 has 8 divisors (see below), whose sum is σ = 3210480. Its totient is φ = 1058040.

The previous prime is 2128183. The next prime is 2128201. The reversal of 2128198 is 8918212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (401310).

2^2128198 is an apocalyptic number.

2128198 is a deficient number, since it is larger than the sum of its proper divisors (1082282).

2128198 is a wasteful number, since it uses less digits than its factorization.

2128198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062.

The product of its digits is 2304, while the sum is 31.

The square root of 2128198 is about 1458.8344662778. The cubic root of 2128198 is about 128.6285409992.

The spelling of 2128198 in words is "two million, one hundred twenty-eight thousand, one hundred ninety-eight".