18952 has 16 divisors (see below), whose sum is σ = 37440. Its totient is φ = 8976.
The previous prime is 18947. The next prime is 18959. The reversal of 18952 is 25981.
It is not an unprimeable number, because it can be changed into a prime (18959) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133 + ... + 235.
It is an arithmetic number, because the mean of its divisors is an integer number (2340).
218952 is an apocalyptic number.
It is an amenable number.
18952 is a deficient number, since it is larger than the sum of its proper divisors (18488).
18952 is a wasteful number, since it uses less digits than its factorization.
18952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132 (or 128 counting only the distinct ones).
The product of its digits is 720, while the sum is 25.
The square root of 18952 is about 137.6662631148. Note that the first 3 decimals coincide. The cubic root of 18952 is about 26.6615267872.
The spelling of 18952 in words is "eighteen thousand, nine hundred fifty-two".
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