2048842 has 4 divisors (see below), whose sum is σ = 3073266. Its totient is φ = 1024420.

The previous prime is 2048833. The next prime is 2048843. The reversal of 2048842 is 2488402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 463761 = 1259^2 + 681^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2048842.

It is not an unprimeable number, because it can be changed into a prime (2048843) 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 as a sum of consecutive naturals, namely, 512209 + ... + 512212.

2^2048842 is an apocalyptic number.

2048842 is a deficient number, since it is larger than the sum of its proper divisors (1024424).

2048842 is a wasteful number, since it uses less digits than its factorization.

2048842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024423.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2048842 is about 1431.3776580623. The cubic root of 2048842 is about 127.0094853105.

The spelling of 2048842 in words is "two million, forty-eight thousand, eight hundred forty-two".