2688002 has 8 divisors (see below), whose sum is σ = 4050300. Its totient is φ = 1337904.

The previous prime is 2687999. The next prime is 2688017. The reversal of 2688002 is 2008862.

It can be written as a sum of positive squares in 2 ways, for example, as 2686321 + 1681 = 1639^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477 + ... + 3392.

2^2688002 is an apocalyptic number.

2688002 is a deficient number, since it is larger than the sum of its proper divisors (1362298).

2688002 is a wasteful number, since it uses less digits than its factorization.

2688002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2688002 is about 1639.5127324910. The cubic root of 2688002 is about 139.0411002798.

The spelling of 2688002 in words is "two million, six hundred eighty-eight thousand, two".