2105385 has 16 divisors (see below), whose sum is σ = 3405696. Its totient is φ = 1110528.

The previous prime is 2105381. The next prime is 2105407. The reversal of 2105385 is 5835012.

It is not a de Polignac number, because 2105385 - 2² = 2105381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2105381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (212856).

2^2105385 is an apocalyptic number.

It is an amenable number.

2105385 is a deficient number, since it is larger than the sum of its proper divisors (1300311).

2105385 is a wasteful number, since it uses less digits than its factorization.

2105385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2105385 is about 1450.9944865505. The cubic root of 2105385 is about 128.1672820990.

The spelling of 2105385 in words is "two million, one hundred five thousand, three hundred eighty-five".