2148805 has 8 divisors (see below), whose sum is σ = 2714400. Its totient is φ = 1628496.

The previous prime is 2148803. The next prime is 2148857. The reversal of 2148805 is 5088412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148805 - 2¹ = 2148803 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11215 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (339300).

2^2148805 is an apocalyptic number.

It is an amenable number.

2148805 is a deficient number, since it is larger than the sum of its proper divisors (565595).

2148805 is a wasteful number, since it uses less digits than its factorization.

2148805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22643.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2148805 is about 1465.8802816056. The cubic root of 2148805 is about 129.0423713545.

The spelling of 2148805 in words is "two million, one hundred forty-eight thousand, eight hundred five".