49693 has 8 divisors (see below), whose sum is σ = 58880. Its totient is φ = 41040.
The previous prime is 49681. The next prime is 49697. The reversal of 49693 is 39694.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49693 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49697) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103 + ... + 331.
It is an arithmetic number, because the mean of its divisors is an integer number (7360).
249693 is an apocalyptic number.
It is an amenable number.
49693 is a deficient number, since it is larger than the sum of its proper divisors (9187).
49693 is a wasteful number, since it uses less digits than its factorization.
49693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267.
The product of its digits is 5832, while the sum is 31.
The square root of 49693 is about 222.9192678976. The cubic root of 49693 is about 36.7647602948.
Subtracting from 49693 its reverse (39694), we obtain a palindrome (9999).
The spelling of 49693 in words is "forty-nine thousand, six hundred ninety-three".
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