2681188 has 6 divisors (see below), whose sum is σ = 4692086. Its totient is φ = 1340592.

The previous prime is 2681183. The next prime is 2681191. The reversal of 2681188 is 8811862.

It can be written as a sum of positive squares in only one way, i.e., 2408704 + 272484 = 1552^2 + 522^2 .

It is not an unprimeable number, because it can be changed into a prime (2681183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335145 + ... + 335152.

2^2681188 is an apocalyptic number.

It is an amenable number.

2681188 is a deficient number, since it is larger than the sum of its proper divisors (2010898).

2681188 is a wasteful number, since it uses less digits than its factorization.

2681188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670301 (or 670299 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 2681188 is about 1637.4333574225. The cubic root of 2681188 is about 138.9235126005.

The spelling of 2681188 in words is "two million, six hundred eighty-one thousand, one hundred eighty-eight".