2681908 has 12 divisors (see below), whose sum is σ = 4820452. Its totient is φ = 1304640.

The previous prime is 2681897. The next prime is 2681927. The reversal of 2681908 is 8091862.

It can be written as a sum of positive squares in 2 ways, for example, as 1737124 + 944784 = 1318^2 + 972^2 .

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, 8913 + ... + 9208.

2^2681908 is an apocalyptic number.

It is an amenable number.

2681908 is a deficient number, since it is larger than the sum of its proper divisors (2138544).

2681908 is a wasteful number, since it uses less digits than its factorization.

2681908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162 (or 18160 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2681908 is about 1637.6531989405. The cubic root of 2681908 is about 138.9359468867.

The spelling of 2681908 in words is "two million, six hundred eighty-one thousand, nine hundred eight".