2048865 has 64 divisors (see below), whose sum is σ = 4300800. Its totient is φ = 808704.

The previous prime is 2048861. The next prime is 2048867. The reversal of 2048865 is 5688402.

It is not a de Polignac number, because 2048865 - 2² = 2048861 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2048861) 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 63 ways as a sum of consecutive naturals, for example, 25896 + ... + 25974.

It is an arithmetic number, because the mean of its divisors is an integer number (67200).

2^2048865 is an apocalyptic number.

It is an amenable number.

2048865 is an abundant number, since it is smaller than the sum of its proper divisors (2251935).

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

2048865 is a wasteful number, since it uses less digits than its factorization.

2048865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2048865 is about 1431.3856922577. The cubic root of 2048865 is about 127.0099605720.

The spelling of 2048865 in words is "two million, forty-eight thousand, eight hundred sixty-five".