2049785 has 8 divisors (see below), whose sum is σ = 2473416. Its totient is φ = 1630720.

The previous prime is 2049727. The next prime is 2049787. The reversal of 2049785 is 5879402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 619369 + 1430416 = 787^2 + 1196^2 .

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

It is not a de Polignac number, because 2049785 - 2⁶ = 2049721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049787) 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, 56 + ... + 2025.

It is an arithmetic number, because the mean of its divisors is an integer number (309177).

2^2049785 is an apocalyptic number.

It is an amenable number.

2049785 is a deficient number, since it is larger than the sum of its proper divisors (423631).

2049785 is a wasteful number, since it uses less digits than its factorization.

2049785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2049785 is about 1431.7070231021. The cubic root of 2049785 is about 127.0289681166.

The spelling of 2049785 in words is "two million, forty-nine thousand, seven hundred eighty-five".