2680306 has 4 divisors (see below), whose sum is σ = 4020462. Its totient is φ = 1340152.

The previous prime is 2680297. The next prime is 2680313. The reversal of 2680306 is 6030862.

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., 2277081 + 403225 = 1509^2 + 635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670075 + ... + 670078.

2^2680306 is an apocalyptic number.

2680306 is a deficient number, since it is larger than the sum of its proper divisors (1340156).

2680306 is a wasteful number, since it uses less digits than its factorization.

2680306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340155.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2680306 is about 1637.1640113318. The cubic root of 2680306 is about 138.9082775658.

The spelling of 2680306 in words is "two million, six hundred eighty thousand, three hundred six".