49744 has 10 divisors (see below), whose sum is σ = 96410. Its totient is φ = 24864.
The previous prime is 49741. The next prime is 49747. The reversal of 49744 is 44794.
It is an interprime number because it is at equal distance from previous prime (49741) and next prime (49747).
It can be written as a sum of positive squares in only one way, i.e., 35344 + 14400 = 188^2 + 120^2 .
It is a nialpdrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49741) 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 as a sum of consecutive naturals, namely, 1539 + ... + 1570.
It is an arithmetic number, because the mean of its divisors is an integer number (9641).
249744 is an apocalyptic number.
It is an amenable number.
49744 is a deficient number, since it is larger than the sum of its proper divisors (46666).
49744 is a wasteful number, since it uses less digits than its factorization.
49744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3117 (or 3111 counting only the distinct ones).
The product of its digits is 4032, while the sum is 28.
The square root of 49744 is about 223.0336297512. The cubic root of 49744 is about 36.7773332374. Note that the first 3 decimals are identical.
Subtracting from 49744 its reverse (44794), we obtain a triangular number (4950 = T99).
The spelling of 49744 in words is "forty-nine thousand, seven hundred forty-four".
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