2680069 has 4 divisors (see below), whose sum is σ = 3062944. Its totient is φ = 2297196.

The previous prime is 2680039. The next prime is 2680079. The reversal of 2680069 is 9600862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9600862 = 2 ⋅4800431.

It is a cyclic number.

It is not a de Polignac number, because 2680069 - 2¹⁹ = 2155781 is a prime.

It is a super-2 number, since 2×2680069² = 14365539689522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2680069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191427 + ... + 191440.

It is an arithmetic number, because the mean of its divisors is an integer number (765736).

2^2680069 is an apocalyptic number.

It is an amenable number.

2680069 is a deficient number, since it is larger than the sum of its proper divisors (382875).

2680069 is an equidigital number, since it uses as much as digits as its factorization.

2680069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382874.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2680069 is about 1637.0916284680. The cubic root of 2680069 is about 138.9041832283.

The spelling of 2680069 in words is "two million, six hundred eighty thousand, sixty-nine".