16853841 has 24 divisors (see below), whose sum is σ = 25145640. Its totient is φ = 10872576.

The previous prime is 16853839. The next prime is 16853849. The reversal of 16853841 is 14835861.

It can be written as a sum of positive squares in 4 ways, for example, as 2903616 + 13950225 = 1704^2 + 3735^2 .

It is not a de Polignac number, because 16853841 - 2¹ = 16853839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16853796 and 16853805.

It is not an unprimeable number, because it can be changed into a prime (16853849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42255 + ... + 42651.

It is an arithmetic number, because the mean of its divisors is an integer number (1047735).

Almost surely, 2^16853841 is an apocalyptic number.

It is an amenable number.

16853841 is a deficient number, since it is larger than the sum of its proper divisors (8291799).

16853841 is a wasteful number, since it uses less digits than its factorization.

16853841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 542 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 16853841 is about 4105.3429820175. The cubic root of 16853841 is about 256.3891430717.

The spelling of 16853841 in words is "sixteen million, eight hundred fifty-three thousand, eight hundred forty-one".