2680243 has 8 divisors (see below), whose sum is σ = 2782512. Its totient is φ = 2579616.

The previous prime is 2680241. The next prime is 2680261. The reversal of 2680243 is 3420862.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2680243 - 2¹ = 2680241 is a prime.

It is a super-3 number, since 3×2680243³ = 57762205333104926721, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (347814).

2^2680243 is an apocalyptic number.

2680243 is a deficient number, since it is larger than the sum of its proper divisors (102269).

2680243 is a wasteful number, since it uses less digits than its factorization.

2680243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2680243 is about 1637.1447706296. The cubic root of 2680243 is about 138.9071892212.

The spelling of 2680243 in words is "two million, six hundred eighty thousand, two hundred forty-three".