18848841 has 16 divisors (see below), whose sum is σ = 27556608. Its totient is φ = 11365200.

The previous prime is 18848839. The next prime is 18848849. The reversal of 18848841 is 14884881.

It is not a de Polignac number, because 18848841 - 2¹ = 18848839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18848793 and 18848802.

It is not an unprimeable number, because it can be changed into a prime (18848849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5610 + ... + 8316.

It is an arithmetic number, because the mean of its divisors is an integer number (1722288).

Almost surely, 2^18848841 is an apocalyptic number.

18848841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18848841 is the 2321-st nonagonal number.

It is an amenable number.

18848841 is a deficient number, since it is larger than the sum of its proper divisors (8707767).

18848841 is a wasteful number, since it uses less digits than its factorization.

18848841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932.

The product of its digits is 65536, while the sum is 42.

The square root of 18848841 is about 4341.5251928326. The cubic root of 18848841 is about 266.1306432330.

The spelling of 18848841 in words is "eighteen million, eight hundred forty-eight thousand, eight hundred forty-one".