2127688 has 8 divisors (see below), whose sum is σ = 3989430. Its totient is φ = 1063840.

The previous prime is 2127679. The next prime is 2127689. The reversal of 2127688 is 8867212.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 116964 = 1418^2 + 342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2127689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132973 + ... + 132988.

2^2127688 is an apocalyptic number.

It is an amenable number.

2127688 is a deficient number, since it is larger than the sum of its proper divisors (1861742).

2127688 is a wasteful number, since it uses less digits than its factorization.

2127688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265967 (or 265963 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 2127688 is about 1458.6596587278. The cubic root of 2127688 is about 128.6182653580.

The spelling of 2127688 in words is "two million, one hundred twenty-seven thousand, six hundred eighty-eight".