163924 has 12 divisors (see below), whose sum is σ = 290304. Its totient is φ = 80984.

The previous prime is 163909. The next prime is 163927. The reversal of 163924 is 429361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237 + ... + 619.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2¹⁶³⁹²⁴ is an apocalyptic number.

It is an amenable number.

163924 is a deficient number, since it is larger than the sum of its proper divisors (126380).

163924 is a wasteful number, since it uses less digits than its factorization.

163924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 163924 is about 404.8752894411. The cubic root of 163924 is about 54.7285801269.

The spelling of 163924 in words is "one hundred sixty-three thousand, nine hundred twenty-four".