193949 has 8 divisors (see below), whose sum is σ = 224640. Its totient is φ = 164016.
The previous prime is 193943. The next prime is 193951. The reversal of 193949 is 949391.
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 193949 - 212 = 189853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (193943) 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, 587 + ... + 855.
It is an arithmetic number, because the mean of its divisors is an integer number (28080).
2193949 is an apocalyptic number.
It is an amenable number.
193949 is a deficient number, since it is larger than the sum of its proper divisors (30691).
193949 is a wasteful number, since it uses less digits than its factorization.
193949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379.
The product of its digits is 8748, while the sum is 35.
The square root of 193949 is about 440.3964123378. The cubic root of 193949 is about 57.8845304757.
The spelling of 193949 in words is "one hundred ninety-three thousand, nine hundred forty-nine".
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