2688034 has 4 divisors (see below), whose sum is σ = 4032054. Its totient is φ = 1344016.

The previous prime is 2688019. The next prime is 2688053. The reversal of 2688034 is 4308862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 429025 = 1503^2 + 655^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2687987 and 2688005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672007 + ... + 672010.

2^2688034 is an apocalyptic number.

2688034 is a deficient number, since it is larger than the sum of its proper divisors (1344020).

2688034 is a wasteful number, since it uses less digits than its factorization.

2688034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344019.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2688034 is about 1639.5224914590. The cubic root of 2688034 is about 139.0416520276.

The spelling of 2688034 in words is "two million, six hundred eighty-eight thousand, thirty-four".