18932 has 6 divisors (see below), whose sum is σ = 33138.
Its totient is φ = 9464.
The previous prime is 18919. The next prime is 18947. The reversal of 18932 is 23981.
It can be written as a sum of positive squares in only one way, i.e., 13456 + 5476 = 116^2 + 74^2
It is a junction number, because it is equal to n+sod(n) for n = 18898 and 18907.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 18932.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2363 + ... + 2370.
It is an arithmetic number, because the mean of its divisors is an integer number (5523).
218932 is an apocalyptic number.
It is an amenable number.
18932 is a deficient number, since it is larger than the sum of its proper divisors (14206).
18932 is a wasteful number, since it uses less digits than its factorization.
18932 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4737 (or 4735 counting only the distinct ones).
The product of its digits is 432, while the sum is 23.
The square root of 18932 is about 137.5936045025.
The cubic root of 18932 is about 26.6521448711.
The spelling of 18932 in words is "eighteen thousand, nine hundred thirty-two".