2670839 has 4 divisors (see below), whose sum is σ = 2679240. Its totient is φ = 2662440.

The previous prime is 2670817. The next prime is 2670881. The reversal of 2670839 is 9380762.

2670839 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: 9380762 = 2 ⋅4690381.

It is a cyclic number.

It is not a de Polignac number, because 2670839 - 2¹² = 2666743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2670799 and 2670808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670809) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3704 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (669810).

2^2670839 is an apocalyptic number.

2670839 is a deficient number, since it is larger than the sum of its proper divisors (8401).

2670839 is an equidigital number, since it uses as much as digits as its factorization.

2670839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2670839 is about 1634.2701735025. The cubic root of 2670839 is about 138.7445405422.

The spelling of 2670839 in words is "two million, six hundred seventy thousand, eight hundred thirty-nine".