2680738 has 4 divisors (see below), whose sum is σ = 4021110. Its totient is φ = 1340368.

The previous prime is 2680721. The next prime is 2680753. The reversal of 2680738 is 8370862.

It is a happy number.

2680738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8370862 = 2 ⋅4185431.

It can be written as a sum of positive squares in only one way, i.e., 2614689 + 66049 = 1617^2 + 257^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 670183 + ... + 670186.

2^2680738 is an apocalyptic number.

2680738 is a deficient number, since it is larger than the sum of its proper divisors (1340372).

2680738 is a wasteful number, since it uses less digits than its factorization.

2680738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340371.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2680738 is about 1637.2959414840. The cubic root of 2680738 is about 138.9157400412.

The spelling of 2680738 in words is "two million, six hundred eighty thousand, seven hundred thirty-eight".