2048641 has 6 divisors (see below), whose sum is σ = 2383170.
Its totient is φ = 1755936.
The previous prime is 2048639. The next prime is 2048663. The reversal of 2048641 is 1468402.
It can be written as a sum of positive squares in only one way, i.e., 1587600 + 461041 = 1260^2 + 679^2
It is not a de Polignac number, because 2048641 - 21 = 2048639 is a prime.
It is a Duffinian number.
2048641 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2048621) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20856 + ... + 20953.
It is an arithmetic number, because the mean of its divisors is an integer number (397195).
22048641 is an apocalyptic number.
It is an amenable number.
2048641 is a deficient number, since it is larger than the sum of its proper divisors (334529).
2048641 is an equidigital number, since it uses as much as digits as its factorization.
2048641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41823 (or 41816 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 25.
The square root of 2048641 is about 1431.3074442621.
The cubic root of 2048641 is about 127.0053317868.
The spelling of 2048641 in words is "two million, forty-eight thousand, six hundred forty-one".