2660838 has 16 divisors (see below), whose sum is σ = 5401920. Its totient is φ = 873576.

The previous prime is 2660831. The next prime is 2660839. The reversal of 2660838 is 8380662.

2660838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2660799 and 2660808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660831) 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 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 3711.

It is an arithmetic number, because the mean of its divisors is an integer number (337620).

2^2660838 is an apocalyptic number.

2660838 is an abundant number, since it is smaller than the sum of its proper divisors (2741082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2660838 is a wasteful number, since it uses less digits than its factorization.

2660838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2660838 is about 1631.2075281827. The cubic root of 2660838 is about 138.5711468750.

The spelling of 2660838 in words is "two million, six hundred sixty thousand, eight hundred thirty-eight".