2068688 has 10 divisors (see below), whose sum is σ = 4008114. Its totient is φ = 1034336.

The previous prime is 2068681. The next prime is 2068699. The reversal of 2068688 is 8868602.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 399424 = 1292^2 + 632^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64631 + ... + 64662.

2^2068688 is an apocalyptic number.

It is an amenable number.

2068688 is a deficient number, since it is larger than the sum of its proper divisors (1939426).

2068688 is a wasteful number, since it uses less digits than its factorization.

2068688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129301 (or 129295 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2068688 is about 1438.2934332048. The cubic root of 2068688 is about 127.4182585120.

The spelling of 2068688 in words is "two million, sixty-eight thousand, six hundred eighty-eight".