2672839 has 4 divisors (see below), whose sum is σ = 2878456. Its totient is φ = 2467224.

The previous prime is 2672833. The next prime is 2672867. The reversal of 2672839 is 9382762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9382762 = 2 ⋅4691381.

It is a cyclic number.

It is not a de Polignac number, because 2672839 - 2¹¹ = 2670791 is a prime.

It is a Duffinian number.

2672839 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2672798 and 2672807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672833) 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, 102789 + ... + 102814.

It is an arithmetic number, because the mean of its divisors is an integer number (719614).

2^2672839 is an apocalyptic number.

2672839 is a deficient number, since it is larger than the sum of its proper divisors (205617).

2672839 is a wasteful number, since it uses less digits than its factorization.

2672839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205616.

The product of its digits is 36288, while the sum is 37.

The square root of 2672839 is about 1634.8819529250. The cubic root of 2672839 is about 138.7791638504.

The spelling of 2672839 in words is "two million, six hundred seventy-two thousand, eight hundred thirty-nine".