2688351 has 16 divisors (see below), whose sum is σ = 3744768. Its totient is φ = 1713600.

The previous prime is 2688349. The next prime is 2688373. The reversal of 2688351 is 1538862.

It is a happy number.

2688351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2688351 - 2¹ = 2688349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12636 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (234048).

2^2688351 is an apocalyptic number.

2688351 is a deficient number, since it is larger than the sum of its proper divisors (1056417).

2688351 is a wasteful number, since it uses less digits than its factorization.

2688351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its digits is 11520, while the sum is 33.

The square root of 2688351 is about 1639.6191630986. The cubic root of 2688351 is about 139.0471175427.

The spelling of 2688351 in words is "two million, six hundred eighty-eight thousand, three hundred fifty-one".