2048765 has 4 divisors (see below), whose sum is σ = 2458524. Its totient is φ = 1639008.

The previous prime is 2048749. The next prime is 2048779. The reversal of 2048765 is 5678402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5678402 = 2 ⋅2839201.

It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 1196836 = 923^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048765 - 2⁴ = 2048749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204872 + ... + 204881.

It is an arithmetic number, because the mean of its divisors is an integer number (614631).

2^2048765 is an apocalyptic number.

It is an amenable number.

2048765 is a deficient number, since it is larger than the sum of its proper divisors (409759).

2048765 is an equidigital number, since it uses as much as digits as its factorization.

2048765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409758.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2048765 is about 1431.3507606453. The cubic root of 2048765 is about 127.0078941918.

The spelling of 2048765 in words is "two million, forty-eight thousand, seven hundred sixty-five".