2671688 has 16 divisors (see below), whose sum is σ = 5026860. Its totient is φ = 1331200.

The previous prime is 2671681. The next prime is 2671693. The reversal of 2671688 is 8861762.

It can be written as a sum of positive squares in 2 ways, for example, as 2630884 + 40804 = 1622^2 + 202^2 .

It is not an unprimeable number, because it can be changed into a prime (2671681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848 + ... + 4488.

2^2671688 is an apocalyptic number.

It is an amenable number.

2671688 is a deficient number, since it is larger than the sum of its proper divisors (2355172).

2671688 is a wasteful number, since it uses less digits than its factorization.

2671688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1164 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 2671688 is about 1634.5299018372. The cubic root of 2671688 is about 138.7592402471.

The spelling of 2671688 in words is "two million, six hundred seventy-one thousand, six hundred eighty-eight".