163849 has 8 divisors (see below), whose sum is σ = 190080. Its totient is φ = 138336.

The previous prime is 163847. The next prime is 163853. The reversal of 163849 is 948361.

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

It is a cyclic number.

It is not a de Polignac number, because 163849 - 2¹ = 163847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163849.

It is not an unprimeable number, because it can be changed into a prime (163841) 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, 492 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (23760).

163849 is a Friedman number, since it can be written as 9+(8*4)^3*(6-1), using all its digits and the basic arithmetic operations.

2¹⁶³⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

163849 is a deficient number, since it is larger than the sum of its proper divisors (26231).

163849 is an equidigital number, since it uses as much as digits as its factorization.

163849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 5184, while the sum is 31.

The square root of 163849 is about 404.7826577313. The cubic root of 163849 is about 54.7202322143.

It can be divided in two parts, 16384 and 9, that multiplied together give a square (147456 = 384²).

The spelling of 163849 in words is "one hundred sixty-three thousand, eight hundred forty-nine".